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Science Quiz - Class 10 Science Medium Level 7 Quiz

Question 1/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अम्लीय विलयन नीले लिटमस पत्र पर क्या प्रभाव डालता है?

What effect does an acidic solution have on blue litmus paper?

Explanation opens after your attempt

Correct Answer

A. नीला लिटमस लाल हो जाता हैBlue litmus turns red

Step 1

Concept

Litmus is used to identify acidic and basic solutions.

Step 2

Why this answer is correct

An acid turns blue litmus red.

Step 3

Exam Tip

Remember the opposite effect for bases in exams.

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Question 2/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मनी के एकीकरण में प्रशिया की भूमिका को सबसे सही रूप में कैसे समझा जा सकता है?

How can Prussia's role in German unification be best understood?

Explanation opens after your attempt

Correct Answer

B. प्रशिया ने राजनीतिक और सैन्य नेतृत्व दियाPrussia gave political and military leadership

Step 1

Concept

जर्मनी कई राज्यों में बंटा था। / Germany was divided into many states.

Step 2

Why this answer is correct

प्रशिया ने बिस्मार्क के नेतृत्व में युद्ध और राजनीति से एकीकरण को आगे बढ़ाया। / Under Bismarck, Prussia used war and politics to push unification forward.

Step 3

Exam Tip

परीक्षा में प्रशिया को जर्मन एकीकरण की मुख्य शक्ति के रूप में याद रखें। / Remember Prussia as the main force behind German unification.

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Question 3/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

क्षारीय विलयन लाल लिटमस पत्र पर क्या प्रभाव डालता है?

What effect does a basic solution have on red litmus paper?

Explanation opens after your attempt

Correct Answer

B. लाल लिटमस नीला हो जाता हैRed litmus turns blue

Step 1

Concept

Bases behave differently from acids.

Step 2

Why this answer is correct

A basic solution turns red litmus blue.

Step 3

Exam Tip

Litmus colour change is a quick identification test.

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Question 4/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

बिस्मार्क की नीति जर्मन एकीकरण में सफल क्यों मानी जाती है?

Why is Bismarck's policy considered successful in German unification?

Explanation opens after your attempt

Correct Answer

C. क्योंकि उसने कूटनीति और युद्ध दोनों का उपयोग कियाBecause he used both diplomacy and war

Step 1

Concept

बिस्मार्क व्यावहारिक नेता थे। / Bismarck was a practical leader.

Step 2

Why this answer is correct

उन्होंने युद्धों के साथ कूटनीतिक समझ का प्रयोग किया। / He used military action along with diplomatic planning.

Step 3

Exam Tip

इसलिए उनका नेतृत्व जर्मन एकीकरण में निर्णायक माना जाता है। / Therefore, his leadership is considered decisive in German unification.

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Question 5/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

हल्दी के दाग पर साबुन लगाने से उसका रंग लाल भूरा क्यों हो जाता है?

Why does a turmeric stain become reddish brown when soap is applied?

Explanation opens after your attempt

Correct Answer

C. साबुन क्षारीय होता हैSoap is basic

Step 1

Concept

Turmeric is a natural indicator.

Step 2

Why this answer is correct

It turns reddish brown in a basic medium.

Step 3

Exam Tip

Natural indicator colour changes are common exam questions.

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Question 6/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मन साम्राज्य की घोषणा वर्साय में होना किस बात का संकेत था?

What did the proclamation of the German Empire at Versailles indicate?

Explanation opens after your attempt

Correct Answer

A. फ्रांस की हार और जर्मन शक्ति का उदयFrance's defeat and the rise of German power

Step 1

Concept

जर्मन साम्राज्य की घोषणा फ्रांस पर जीत के बाद हुई। / The German Empire was proclaimed after victory over France.

Step 2

Why this answer is correct

वर्साय फ्रांस की शक्ति का प्रतीक माना जाता था। / Versailles was seen as a symbol of French power.

Step 3

Exam Tip

वहां घोषणा ने जर्मन राष्ट्रवाद और शक्ति को दिखाया। / The proclamation there showed the rise of German nationalism and power.

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Question 7/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

चींटी के डंक में उपस्थित अम्ल के प्रभाव को कम करने के लिए कौन सा पदार्थ लगाया जाता है?

Which substance is applied to reduce the effect of acid present in an ant sting?

Explanation opens after your attempt

Correct Answer

C. बेकिंग सोडा का विलयनBaking soda solution

Step 1

Concept

An ant sting contains an acidic substance.

Step 2

Why this answer is correct

Baking soda is mildly basic, so it neutralises the acid.

Step 3

Exam Tip

Acid-base reaction is called neutralisation.

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Question 8/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

इटली के एकीकरण में कावूर की भूमिका मैजिनी से किस प्रकार अलग थी?

How was Cavour's role different from Mazzini's in Italian unification?

Explanation opens after your attempt

Correct Answer

B. कावूर ने राजनीतिक कूटनीति अपनाई जबकि मैजिनी ने राष्ट्रवादी विचार फैलाएCavour used political diplomacy while Mazzini spread nationalist ideas

Step 1

Concept

मैजिनी ने इटली की स्वतंत्रता और एकता के विचार फैलाए। / Mazzini spread ideas of Italian freedom and unity.

Step 2

Why this answer is correct

कावूर ने राज्य शक्ति और कूटनीति से एकीकरण को आगे बढ़ाया। / Cavour used state power and diplomacy to advance unification.

Step 3

Exam Tip

दोनों की भूमिकाएं अलग थीं पर लक्ष्य इटली की एकता था। / Their roles were different but both aimed at Italian unity.

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Question 9/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अम्ल और धातु की अभिक्रिया से सामान्यतः कौन सी गैस निकलती है?

Which gas is generally released when an acid reacts with a metal?

Explanation opens after your attempt

Correct Answer

D. हाइड्रोजनHydrogen

Step 1

Concept

Acids react with many reactive metals.

Step 2

Why this answer is correct

The products are a salt and hydrogen gas.

Step 3

Exam Tip

Hydrogen gives a pop sound near a burning splint.

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Question 10/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

इटली के दक्षिणी भागों के एकीकरण में गैरीबाल्डी का योगदान क्यों महत्वपूर्ण था?

Why was Garibaldi's contribution important in the unification of southern Italy?

Explanation opens after your attempt

Correct Answer

A. उन्होंने स्वयंसेवकों के साथ दक्षिणी क्षेत्रों पर अभियान चलायाHe led volunteers in campaigns in the southern regions

Step 1

Concept

गैरीबाल्डी ने स्वयंसेवी सैनिकों का नेतृत्व किया। / Garibaldi led volunteer soldiers.

Step 2

Why this answer is correct

उनके अभियान ने दक्षिणी इटली को एकीकरण की प्रक्रिया से जोड़ा। / His campaign connected southern Italy with the unification process.

Step 3

Exam Tip

उन्हें जन भागीदारी और सैनिक अभियान से जोड़कर याद रखें। / Remember him for popular participation and military campaigns.

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Question 11/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अम्ल और धातु कार्बोनेट की अभिक्रिया से कौन सी गैस निकलती है?

Which gas is released when an acid reacts with a metal carbonate?

Explanation opens after your attempt

Correct Answer

B. कार्बन डाइऑक्साइडCarbon dioxide

Step 1

Concept

Acids react with metal carbonates.

Step 2

Why this answer is correct

The products are salt, water, and carbon dioxide.

Step 3

Exam Tip

Carbon dioxide turns lime water milky.

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Question 12/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मनी और इटली के एकीकरण में कौन सी समानता सबसे स्पष्ट दिखाई देती है?

Explanation opens after your attempt

Correct Answer

A. दोनों में पहले राजनीतिक बिखराव थाBoth had political fragmentation earlier

Step 1

Concept

जर्मनी और इटली दोनों कई राज्यों में बंटे थे। / Both Germany and Italy were divided into many states.

Step 2

Why this answer is correct

राष्ट्रवाद ने इन क्षेत्रों को एक राष्ट्र में बदलने की प्रेरणा दी। / Nationalism inspired the formation of one nation in each region.

Step 3

Exam Tip

समानता पूछे जाने पर बिखराव और राष्ट्रवाद को जोड़ें। / For similarity, connect fragmentation with nationalism.

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Question 13/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

चूने के पानी में कार्बन डाइऑक्साइड गैस प्रवाहित करने पर वह दूधिया क्यों हो जाता है?

Why does lime water turn milky when carbon dioxide gas is passed through it?

Explanation opens after your attempt

Correct Answer

A. कैल्शियम कार्बोनेट बनने के कारणDue to formation of calcium carbonate

Step 1

Concept

Lime water is a solution of calcium hydroxide.

Step 2

Why this answer is correct

Carbon dioxide forms calcium carbonate, which appears milky.

Step 3

Exam Tip

This is an important test for carbon dioxide.

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Question 14/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

किस कारण से सार्डिनिया पीडमोंट इटली के एकीकरण का केंद्र बना?

Why did Sardinia-Piedmont become the centre of Italian unification?

Explanation opens after your attempt

Correct Answer

A. क्योंकि वह इटली का मजबूत और संगठित राज्य थाBecause it was a strong and organised Italian state

Step 1

Concept

इटली के कई भाग अलग अलग शक्तियों के अधीन थे। / Many parts of Italy were under different powers.

Step 2

Why this answer is correct

सार्डिनिया पीडमोंट अपेक्षाकृत मजबूत राज्य था। / Sardinia-Piedmont was a comparatively strong state.

Step 3

Exam Tip

कावूर के नेतृत्व में यह एकीकरण का राजनीतिक केंद्र बना। / Under Cavour, it became the political centre of unification.

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Question 15/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

जल में अम्ल घोलते समय कौन सा सुरक्षित तरीका अपनाना चाहिए?

What is the safe method for dissolving an acid in water?

Explanation opens after your attempt

Correct Answer

B. अम्ल को धीरे-धीरे जल में डालना चाहिएAcid should be added slowly to water

Step 1

Concept

Dissolving acid in water is an exothermic process.

Step 2

Why this answer is correct

Adding acid slowly to water reduces splashing risk.

Step 3

Exam Tip

Never add water directly to concentrated acid.

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Question 16/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

फ्रांको प्रशियन युद्ध ने जर्मन एकीकरण को कैसे तेज किया?

How did the Franco-Prussian War speed up German unification?

Explanation opens after your attempt

Correct Answer

A. इसने जर्मन राज्यों में फ्रांस के विरुद्ध एकता की भावना बढ़ाईIt increased unity among German states against France

Step 1

Concept

युद्ध में फ्रांस जर्मन राज्यों का साझा विरोधी बना। / In the war, France became a common opponent for German states.

Step 2

Why this answer is correct

प्रशिया की जीत ने जर्मन गर्व और एकता को मजबूत किया। / Prussia's victory strengthened German pride and unity.

Step 3

Exam Tip

इसके बाद जर्मन साम्राज्य की घोषणा संभव हुई। / After this, the German Empire could be proclaimed.

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Question 17/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

जलीय अम्ल विद्युत धारा का संचालन क्यों करते हैं?

Why do aqueous acids conduct electricity?

Explanation opens after your attempt

Correct Answer

C. क्योंकि वे आयन बनाते हैंBecause they produce ions

Step 1

Concept

Electric current needs charged particles to flow.

Step 2

Why this answer is correct

Acids produce ions in water, so they conduct electricity.

Step 3

Exam Tip

Dry acids generally do not show this behaviour.

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Question 18/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

मैजिनी के विचार इटली के एकीकरण के लिए क्यों महत्वपूर्ण थे?

Why were Mazzini's ideas important for Italian unification?

Explanation opens after your attempt

Correct Answer

A. क्योंकि उन्होंने युवाओं में स्वतंत्र और एकीकृत इटली की भावना जगाईBecause they inspired youth with the idea of a free and united Italy

Step 1

Concept

मैजिनी राष्ट्रवादी विचारक थे। / Mazzini was a nationalist thinker.

Step 2

Why this answer is correct

उन्होंने युवाओं को स्वतंत्रता और राष्ट्रीय एकता के लिए प्रेरित किया। / He inspired youth for freedom and national unity.

Step 3

Exam Tip

उनके विचारों ने इटली में राष्ट्रवादी चेतना को बल दिया। / His ideas strengthened nationalist consciousness in Italy.

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Question 19/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

क्षार जल में किस प्रकार के आयन देते हैं?

Which type of ions do bases produce in water?

Explanation opens after your attempt

Correct Answer

B. हाइड्रॉक्साइड आयनHydroxide ions

Step 1

Concept

The nature of a base is understood from the ions it forms in water.

Step 2

Why this answer is correct

Bases produce hydroxide ions in water.

Step 3

Exam Tip

Acids produce hydrogen ions, so keep the difference clear.

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Question 20/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मन एकीकरण को ऊपर से नीचे की प्रक्रिया क्यों कहा जाता है?

Why is German unification called a process from above?

Explanation opens after your attempt

Correct Answer

A. क्योंकि यह मुख्य रूप से राज्य शक्ति और शासकों के नेतृत्व से हुआBecause it mainly happened through state power and rulers' leadership

Step 1

Concept

जर्मन एकीकरण जनता की सीधी क्रांति से नहीं हुआ। / German unification did not happen through a direct mass revolution.

Step 2

Why this answer is correct

प्रशिया की सरकार, राजा और बिस्मार्क ने प्रमुख नेतृत्व दिया। / The Prussian government, king, and Bismarck gave major leadership.

Step 3

Exam Tip

इसलिए इसे शासक वर्ग के नेतृत्व की प्रक्रिया माना जाता है। / Therefore, it is seen as a ruler-led process.

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Question 21/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

किस मान से कम पीएच वाला विलयन अम्लीय माना जाता है?

A solution with pH less than which value is considered acidic?

Explanation opens after your attempt

Correct Answer

A. सातSeven

Step 1

Concept

pH tells whether a solution is acidic or basic.

Step 2

Why this answer is correct

A pH less than 7 indicates an acidic solution.

Step 3

Exam Tip

A pH of 7 indicates a neutral solution.

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Question 22/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

इटली के एकीकरण में गैरीबाल्डी ने अपने जीते हुए क्षेत्रों को विक्टर इमैनुएल द्वितीय को क्यों सौंपा?

Why did Garibaldi hand over his conquered areas to Victor Emmanuel II?

Explanation opens after your attempt

Correct Answer

A. राष्ट्रीय एकता को मजबूत करने के लिएTo strengthen national unity

Step 1

Concept

गैरीबाल्डी ने दक्षिणी इटली में सफलता पाई। / Garibaldi succeeded in southern Italy.

Step 2

Why this answer is correct

वे व्यक्तिगत शासन से अधिक राष्ट्रीय एकता को महत्व देते थे। / He valued national unity more than personal rule.

Step 3

Exam Tip

क्षेत्रों को सौंपना इटली के एकीकरण को मजबूत करने वाला कदम था। / Handing over the territories strengthened Italian unification.

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Question 23/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

शुद्ध जल का पीएच मान लगभग कितना होता है?

What is the approximate pH value of pure water?

Explanation opens after your attempt

Correct Answer

B. सातSeven

Step 1

Concept

Pure water is neither acidic nor basic.

Step 2

Why this answer is correct

Its pH is approximately 7.

Step 3

Exam Tip

Treat pH 7 as the standard for neutrality.

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Question 24/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मनी के एकीकरण में विलियम प्रथम की भूमिका क्या थी?

What was William I's role in German unification?

Explanation opens after your attempt

Correct Answer

A. वे प्रशिया के राजा थे और बाद में जर्मन सम्राट बनेHe was king of Prussia and later became German Emperor

Step 1

Concept

प्रशिया ने जर्मन एकीकरण का नेतृत्व किया। / Prussia led German unification.

Step 2

Why this answer is correct

विलियम प्रथम उस समय प्रशिया के राजा थे। / William I was the king of Prussia at that time.

Step 3

Exam Tip

एकीकरण के बाद उन्हें जर्मन सम्राट घोषित किया गया। / After unification, he was proclaimed German Emperor.

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Question 25/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

किस पीएच सीमा में विलयन क्षारीय माना जाता है?

In which pH range is a solution considered basic?

Explanation opens after your attempt

Correct Answer

C. सात से अधिकGreater than 7

Step 1

Concept

The pH scale shows acidity and basicity.

Step 2

Why this answer is correct

A solution with pH greater than 7 is basic.

Step 3

Exam Tip

Higher pH means stronger basic nature.

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Question 26/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

किस कथन में इटली के एकीकरण की सही समझ दी गई है?

Which statement gives the correct understanding of Italian unification?

Explanation opens after your attempt

Correct Answer

A. यह कई राज्यों और विदेशी प्रभावों को हटाकर राष्ट्रीय एकता बनाने की प्रक्रिया थीIt was a process of creating national unity by overcoming many states and foreign influences

Step 1

Concept

इटली पहले एक एकीकृत राष्ट्र नहीं था। / Italy was not a united nation earlier.

Step 2

Why this answer is correct

वहां कई राज्य और विदेशी प्रभाव मौजूद थे। / Many states and foreign influences existed there.

Step 3

Exam Tip

एकीकरण का अर्थ इन बाधाओं को पार कर राष्ट्रीय राज्य बनाना था। / Unification meant overcoming these barriers to form a nation-state.

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Question 27/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

दाँतों का क्षय सामान्यतः किस पीएच से कम होने पर शुरू होता है?

Tooth decay generally starts when the pH falls below which value?

Explanation opens after your attempt

Correct Answer

C. पाँच दशमलव पाँच5.5

Step 1

Concept

Acids can form in the mouth after eating.

Step 2

Why this answer is correct

Tooth enamel starts getting affected when pH falls below about 5.5.

Step 3

Exam Tip

Basic toothpaste helps reduce acidity.

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Question 28/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

कावूर ने ऑस्ट्रिया के विरुद्ध फ्रांस की सहायता क्यों ली?

Why did Cavour take help from France against Austria?

Explanation opens after your attempt

Correct Answer

A. उत्तरी इटली से ऑस्ट्रियाई प्रभाव कम करने के लिएTo reduce Austrian influence in northern Italy

Step 1

Concept

उत्तरी इटली में ऑस्ट्रिया का प्रभाव था। / Austria had influence in northern Italy.

Step 2

Why this answer is correct

कावूर समझते थे कि अकेले संघर्ष कठिन होगा। / Cavour understood that fighting alone would be difficult.

Step 3

Exam Tip

फ्रांस की सहायता से सार्डिनिया पीडमोंट को राजनीतिक लाभ मिला। / French help gave Sardinia-Piedmont a political advantage.

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Question 29/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अम्ल वर्षा सामान्य वर्षा की तुलना में अधिक हानिकारक क्यों होती है?

Why is acid rain more harmful than normal rain?

Explanation opens after your attempt

Correct Answer

A. क्योंकि उसका पीएच कम होता हैBecause its pH is lower

Step 1

Concept

Acid rain contains more acidic substances.

Step 2

Why this answer is correct

Its pH is lower than normal rain, making it more corrosive.

Step 3

Exam Tip

It can harm buildings, soil, and aquatic life.

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Question 30/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मन एकीकरण में बिस्मार्क की नीति को किस विचार से जोड़ा जाता है?

Bismarck's policy in German unification is linked with which idea?

Explanation opens after your attempt

Correct Answer

A. व्यावहारिक शक्ति राजनीतिPractical power politics

Step 1

Concept

बिस्मार्क ने आदर्शवादी भाषणों से अधिक परिणाम पर ध्यान दिया। / Bismarck focused more on results than idealistic speeches.

Step 2

Why this answer is correct

उन्होंने सेना, युद्ध और कूटनीति का उपयोग किया। / He used army, war, and diplomacy.

Step 3

Exam Tip

इसलिए उनकी नीति व्यावहारिक शक्ति राजनीति का उदाहरण है। / Therefore, his policy is an example of practical power politics.

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Question 31/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अपच के समय अम्लता कम करने के लिए किस प्रकार की औषधि ली जाती है?

Which type of medicine is taken to reduce acidity during indigestion?

Explanation opens after your attempt

Correct Answer

B. अम्लरोधीAntacid

Step 1

Concept

Excess acid in the stomach can cause burning and indigestion.

Step 2

Why this answer is correct

An antacid is mildly basic and neutralises excess acid.

Step 3

Exam Tip

This is a daily-life example of neutralisation.

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Question 32/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

इटली के एकीकरण में रोम का जुड़ना क्यों प्रतीकात्मक रूप से महत्वपूर्ण था?

Why was the joining of Rome symbolically important in Italian unification?

Explanation opens after your attempt

Correct Answer

A. क्योंकि रोम इतिहास और राष्ट्रीय पहचान का बड़ा केंद्र थाBecause Rome was a major centre of history and national identity

Step 1

Concept

रोम इटली के इतिहास में विशेष स्थान रखता था। / Rome had a special place in Italian history.

Step 2

Why this answer is correct

एकीकृत इटली में रोम का जुड़ना राष्ट्रीय पहचान को मजबूत करता था। / Its joining strengthened national identity in unified Italy.

Step 3

Exam Tip

बाद में रोम इटली की राजधानी बना। / Later Rome became the capital of Italy.

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Question 33/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अत्यधिक अम्लीय मिट्टी को सुधारने के लिए कौन सा पदार्थ मिलाया जाता है?

Which substance is added to improve excessively acidic soil?

Explanation opens after your attempt

Correct Answer

A. चूनाLime

Step 1

Concept

Excessively acidic soil can harm plant growth.

Step 2

Why this answer is correct

Lime is basic and reduces acidity.

Step 3

Exam Tip

Remember different treatments for acidic and basic soils.

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Question 34/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

किस जोड़ी का मिलान सही है?

Which pair is correctly matched?

Explanation opens after your attempt

Correct Answer

C. कावूर और सार्डिनिया पीडमोंट की कूटनीतिCavour and diplomacy of Sardinia-Piedmont

Step 1

Concept

कावूर सार्डिनिया पीडमोंट के प्रमुख मंत्री थे। / Cavour was the chief minister of Sardinia-Piedmont.

Step 2

Why this answer is correct

उन्होंने इटली के एकीकरण में कूटनीति और राज्य शक्ति का उपयोग किया। / He used diplomacy and state power in Italian unification.

Step 3

Exam Tip

इसलिए कावूर और सार्डिनिया पीडमोंट का मिलान सही है। / Therefore, Cavour and Sardinia-Piedmont are correctly matched.

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Question 35/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

अत्यधिक क्षारीय मिट्टी को सुधारने के लिए कौन सा पदार्थ मिलाया जा सकता है?

Which substance can be added to improve excessively basic soil?

Explanation opens after your attempt

Correct Answer

C. जैविक पदार्थOrganic matter

Step 1

Concept

Highly basic soil is not suitable for many plants.

Step 2

Why this answer is correct

Organic matter can release acids slowly and reduce basicity.

Step 3

Exam Tip

Understand the reason behind soil treatment, not just the name.

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Question 36/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

जर्मन एकीकरण में राष्ट्रवाद और युद्ध के बीच संबंध कैसे समझा जा सकता है?

How can the relationship between nationalism and war in German unification be understood?

Explanation opens after your attempt

Correct Answer

B. युद्धों ने प्रशिया के नेतृत्व में जर्मन एकता को मजबूत कियाWars strengthened German unity under Prussian leadership

Step 1

Concept

प्रशिया ने एकीकरण के लिए कई युद्धों का उपयोग किया। / Prussia used several wars for unification.

Step 2

Why this answer is correct

जीतों ने जर्मन राज्यों में साझा गर्व और एकता बढ़ाई। / Victories increased shared pride and unity among German states.

Step 3

Exam Tip

इसलिए युद्ध और राष्ट्रवाद जर्मन एकीकरण में जुड़े हुए थे। / Thus, war and nationalism were linked in German unification.

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Question 37/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

उदासीनीकरण अभिक्रिया में सामान्यतः क्या बनता है?

What is generally formed in a neutralisation reaction?

Explanation opens after your attempt

Correct Answer

B. लवण और जलSalt and water

Step 1

Concept

Neutralisation is a reaction between an acid and a base.

Step 2

Why this answer is correct

It generally forms salt and water.

Step 3

Exam Tip

Antacid action is a useful daily-life example.

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Question 38/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

इटली के एकीकरण में विदेशी प्रभुत्व सबसे अधिक किस चुनौती से जुड़ा था?

Foreign dominance in Italian unification was mainly linked with which challenge?

Explanation opens after your attempt

Correct Answer

A. ऑस्ट्रिया का उत्तरी इटली में प्रभावAustrian influence in northern Italy

Step 1

Concept

इटली का उत्तरी भाग ऑस्ट्रियाई प्रभाव से जुड़ा था। / Northern Italy was linked with Austrian influence.

Step 2

Why this answer is correct

राष्ट्रीय एकता के लिए विदेशी प्रभाव हटाना जरूरी था। / Removing foreign influence was necessary for national unity.

Step 3

Exam Tip

इसलिए ऑस्ट्रिया इटली के एकीकरण की बड़ी चुनौती था। / Therefore, Austria was a major challenge in Italian unification.

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Question 39/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

सोडियम हाइड्रॉक्साइड और हाइड्रोक्लोरिक अम्ल की अभिक्रिया से कौन सा लवण बनता है?

Which salt is formed when sodium hydroxide reacts with hydrochloric acid?

Explanation opens after your attempt

Correct Answer

A. सोडियम क्लोराइडSodium chloride

Step 1

Concept

Sodium hydroxide is a base and hydrochloric acid is an acid.

Step 2

Why this answer is correct

Their reaction forms sodium chloride and water.

Step 3

Exam Tip

The salt name comes from the ions of the acid and base.

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Question 40/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

किस घटना ने जर्मन एकीकरण को अंतिम रूप देने में सबसे अधिक मदद की?

Which event helped most in finalising German unification?

Explanation opens after your attempt

Correct Answer

A. फ्रांको प्रशियन युद्ध में प्रशिया की जीतPrussia's victory in the Franco-Prussian War

Step 1

Concept

फ्रांको प्रशियन युद्ध जर्मन एकीकरण का अंतिम महत्वपूर्ण चरण था। / The Franco-Prussian War was the final major stage of German unification.

Step 2

Why this answer is correct

प्रशिया की जीत ने जर्मन राज्यों को एक साम्राज्य में जोड़ा। / Prussia's victory united German states into an empire.

Step 3

Exam Tip

इसके बाद अठारह सौ इकहत्तर में जर्मन साम्राज्य घोषित हुआ। / After this, the German Empire was proclaimed in 1871.

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Question 41/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

सामान्य नमक का रासायनिक नाम क्या है?

What is the chemical name of common salt?

Explanation opens after your attempt

Correct Answer

B. सोडियम क्लोराइडSodium chloride

Step 1

Concept

Common salt is used in food.

Step 2

Why this answer is correct

Its chemical name is sodium chloride.

Step 3

Exam Tip

It is a raw material for many useful chemicals.

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Question 42/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

इटली के एकीकरण में लाल कमीज दल किस बात का प्रतीक था?

What did the Red Shirts symbolise in Italian unification?

Explanation opens after your attempt

Correct Answer

A. गैरीबाल्डी के स्वयंसेवी सैनिकों की जन भागीदारीPopular participation through Garibaldi's volunteers

Step 1

Concept

लाल कमीज दल गैरीबाल्डी के स्वयंसेवकों से जुड़ा था। / The Red Shirts were linked with Garibaldi's volunteers.

Step 2

Why this answer is correct

इन स्वयंसेवकों ने दक्षिणी इटली में अभियान चलाया। / These volunteers campaigned in southern Italy.

Step 3

Exam Tip

यह इटली के एकीकरण में जन भागीदारी का प्रतीक था। / They symbolised popular participation in Italian unification.

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Question 43/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

नमकीन जल के विद्युत अपघटन से बनने वाली प्रक्रिया को क्या कहा जाता है?

What is the process of electrolysis of brine called?

Explanation opens after your attempt

Correct Answer

B. क्लोर क्षार प्रक्रियाChlor-alkali process

Step 1

Concept

Brine is an aqueous solution of sodium chloride.

Step 2

Why this answer is correct

Its electrolysis forms chlorine, hydrogen, and sodium hydroxide.

Step 3

Exam Tip

This industrial process is called the chlor-alkali process.

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Question 44/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

यदि किसी प्रश्न में जर्मनी के एकीकरण का मुख्य योजनाकार पूछा जाए तो सही उत्तर कौन होगा?

If a question asks for the main planner of German unification, who is the correct answer?

Explanation opens after your attempt

Correct Answer

C. ओटो वॉन बिस्मार्कOtto von Bismarck

Step 1

Concept

जर्मनी के एकीकरण में प्रशिया का नेतृत्व था। / Prussia led German unification.

Step 2

Why this answer is correct

बिस्मार्क ने प्रशिया की नीतियों को योजनाबद्ध ढंग से चलाया। / Bismarck planned and directed Prussian policies.

Step 3

Exam Tip

इसलिए उन्हें जर्मन एकीकरण का मुख्य योजनाकार माना जाता है। / Therefore, he is seen as the main planner of German unification.

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Question 45/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

क्लोर क्षार प्रक्रिया में धनाग्र पर कौन सी गैस बनती है?

Which gas is formed at the anode in the chlor-alkali process?

Explanation opens after your attempt

Correct Answer

C. क्लोरीनChlorine

Step 1

Concept

The chlor-alkali process involves electrolysis of brine.

Step 2

Why this answer is correct

Chlorine gas is produced at the anode.

Step 3

Exam Tip

Hydrogen is produced at the cathode, so remember both electrodes.

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Question 46/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

यदि किसी प्रश्न में इटली के वैचारिक राष्ट्रवादी नेता का नाम पूछा जाए तो सही उत्तर कौन होगा?

If a question asks for the ideological nationalist leader of Italy, who is the correct answer?

Explanation opens after your attempt

Correct Answer

B. ज्यूसेपे मैजिनीGiuseppe Mazzini

Step 1

Concept

मैजिनी ने इटली की एकता के विचार फैलाए। / Mazzini spread ideas of Italian unity.

Step 2

Why this answer is correct

उन्होंने युवाओं को स्वतंत्र और एकीकृत राष्ट्र के लिए प्रेरित किया। / He inspired young people for a free and united nation.

Step 3

Exam Tip

इसलिए वैचारिक राष्ट्रवादी नेता के रूप में मैजिनी सही उत्तर है। / Therefore, Mazzini is the correct answer for ideological nationalist leader.

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Question 47/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

क्लोर क्षार प्रक्रिया में ऋणाग्र पर कौन सी गैस बनती है?

Which gas is formed at the cathode in the chlor-alkali process?

Explanation opens after your attempt

Correct Answer

A. हाइड्रोजनHydrogen

Step 1

Concept

The chlor-alkali process gives several products from brine.

Step 2

Why this answer is correct

Hydrogen gas is formed at the cathode.

Step 3

Exam Tip

Make a table of anode and cathode products for revision.

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Question 48/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

किस कथन में बिस्मार्क और कावूर की समानता सही दिखाई गई है?

Which statement correctly shows a similarity between Bismarck and Cavour?

Explanation opens after your attempt

Correct Answer

A. दोनों ने कूटनीति और राज्य शक्ति का उपयोग कियाBoth used diplomacy and state power

Step 1

Concept

बिस्मार्क ने प्रशिया के माध्यम से जर्मनी को जोड़ा। / Bismarck united Germany through Prussia.

Step 2

Why this answer is correct

कावूर ने सार्डिनिया पीडमोंट के माध्यम से इटली को जोड़ने में मदद की। / Cavour helped unite Italy through Sardinia-Piedmont.

Step 3

Exam Tip

दोनों ने राज्य शक्ति और कूटनीति का उपयोग किया। / Both used state power and diplomacy.

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Question 49/50 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 7

विरंजक चूर्ण बनाने में कौन सा पदार्थ मुख्य रूप से उपयोग किया जाता है?

Which substance is mainly used to prepare bleaching powder?

Explanation opens after your attempt

Correct Answer

A. सूखा बुझा हुआ चूना और क्लोरीनDry slaked lime and chlorine

Step 1

Concept

Bleaching powder is a chlorine-related product.

Step 2

Why this answer is correct

It is made by passing chlorine over dry slaked lime.

Step 3

Exam Tip

Both its preparation and uses are important for exams.

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Question 50/50 Medium Social Science The Age of Industrialisation The Making of Germany and Italy Class 10 Level 7

विक्टर इमैनुएल द्वितीय का इटली के एकीकरण में क्या महत्व था?

What was the importance of Victor Emmanuel II in Italian unification?

Explanation opens after your attempt

Correct Answer

A. वे एकीकृत इटली के राजा बनेHe became the king of unified Italy

Step 1

Concept

वे सार्डिनिया पीडमोंट के राजा थे। / He was the king of Sardinia-Piedmont.

Step 2

Why this answer is correct

इटली के विभिन्न क्षेत्रों को उनके नेतृत्व में जोड़ा गया। / Various Italian regions were joined under his leadership.

Step 3

Exam Tip

एकीकरण के बाद वे इटली के राजा बने। / After unification, he became king of Italy.

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Class 10 Science Medium Quiz

अम्लीय विलयन नीले लिटमस पत्र पर क्या प्रभाव डालता है?

Concept

Why this answer is correct

Exam Tip

जर्मनी के एकीकरण में प्रशिया की भूमिका को सबसे सही रूप में कैसे समझा जा सकता है?

Concept

Why this answer is correct

Exam Tip

क्षारीय विलयन लाल लिटमस पत्र पर क्या प्रभाव डालता है?

Concept

Why this answer is correct

Exam Tip

बिस्मार्क की नीति जर्मन एकीकरण में सफल क्यों मानी जाती है?

Concept

Why this answer is correct

Exam Tip

हल्दी के दाग पर साबुन लगाने से उसका रंग लाल भूरा क्यों हो जाता है?

Concept

Why this answer is correct

Exam Tip

जर्मन साम्राज्य की घोषणा वर्साय में होना किस बात का संकेत था?

Concept

Why this answer is correct

Exam Tip

चींटी के डंक में उपस्थित अम्ल के प्रभाव को कम करने के लिए कौन सा पदार्थ लगाया जाता है?

Concept

Why this answer is correct

Exam Tip

इटली के एकीकरण में कावूर की भूमिका मैजिनी से किस प्रकार अलग थी?

Concept

Why this answer is correct

Exam Tip

अम्ल और धातु की अभिक्रिया से सामान्यतः कौन सी गैस निकलती है?

Concept

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Exam Tip

इटली के दक्षिणी भागों के एकीकरण में गैरीबाल्डी का योगदान क्यों महत्वपूर्ण था?

Concept

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Exam Tip

अम्ल और धातु कार्बोनेट की अभिक्रिया से कौन सी गैस निकलती है?

Concept

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Exam Tip

जर्मनी और इटली के एकीकरण में कौन सी समानता सबसे स्पष्ट दिखाई देती है?

Concept

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Exam Tip

चूने के पानी में कार्बन डाइऑक्साइड गैस प्रवाहित करने पर वह दूधिया क्यों हो जाता है?

Concept

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Exam Tip

किस कारण से सार्डिनिया पीडमोंट इटली के एकीकरण का केंद्र बना?

Concept

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Exam Tip

जल में अम्ल घोलते समय कौन सा सुरक्षित तरीका अपनाना चाहिए?

Concept

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Exam Tip

फ्रांको प्रशियन युद्ध ने जर्मन एकीकरण को कैसे तेज किया?

Concept

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Exam Tip

जलीय अम्ल विद्युत धारा का संचालन क्यों करते हैं?

Concept

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Exam Tip

मैजिनी के विचार इटली के एकीकरण के लिए क्यों महत्वपूर्ण थे?

Concept

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Exam Tip

क्षार जल में किस प्रकार के आयन देते हैं?

Concept

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Exam Tip

जर्मन एकीकरण को ऊपर से नीचे की प्रक्रिया क्यों कहा जाता है?

Concept

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