Update
Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है • Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है
Subjects
Concept-wise Practice

class10 MCQ Questions for Class 10

class10 se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

All Tags Search Similar

Practice Questions

2107 questions tagged with class10.

Question 541/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

सामान्य नमक से सोडियम हाइड्रॉक्साइड प्राप्त करने वाली प्रक्रिया कौन सी है?

Which process is used to obtain sodium hydroxide from common salt?

Explanation opens after your attempt
Correct Answer

B. क्लोर क्षार प्रक्रियाChlor-alkali process

Step 1

Concept

Aqueous solution of common salt is called brine.

Step 2

Why this answer is correct

Electrolysis of brine gives sodium hydroxide.

Step 3

Exam Tip

This process is called the chlor-alkali process.

Open Question Page
Ask Friends
Question 542/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

विरंजक चूर्ण का जल शोधन में उपयोग किस गुण के कारण होता है?

Due to which property is bleaching powder used in water purification?

Explanation opens after your attempt
Correct Answer

B. कीटाणुनाशक गुण के कारणDue to disinfecting property

Step 1

Concept

Bleaching powder has disinfecting action.

Step 2

Why this answer is correct

It helps reduce harmful microorganisms in water.

Step 3

Exam Tip

Therefore, it is used in water purification.

Open Question Page
Ask Friends
Question 543/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

वाशिंग सोडा कठोर जल को नरम करने में कैसे सहायता करता है?

How does washing soda help in softening hard water?

Explanation opens after your attempt
Correct Answer

A. यह कैल्शियम और मैग्नीशियम आयनों को हटाने में सहायता करता हैIt helps remove calcium and magnesium ions

Step 1

Concept

Hard water contains calcium and magnesium salts.

Step 2

Why this answer is correct

Washing soda helps remove these ions.

Step 3

Exam Tip

This softens water and soap forms better lather.

Open Question Page
Ask Friends
Question 544/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

बेकिंग पाउडर में बेकिंग सोडा के साथ हल्का खाद्य अम्ल मिलाने का मुख्य लाभ क्या है?

What is the main benefit of adding a mild edible acid with baking soda in baking powder?

Explanation opens after your attempt
Correct Answer

B. यह क्षारीय कड़वाहट को कम करता है और कार्बन डाइऑक्साइड बनाने में मदद करता हैIt reduces basic bitterness and helps produce carbon dioxide

Step 1

Concept

Baking soda alone can give a basic taste.

Step 2

Why this answer is correct

The edible acid balances this effect.

Step 3

Exam Tip

The reaction releases carbon dioxide, which makes food rise.

Open Question Page
Ask Friends
Question 545/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

सोडियम हाइड्रोजन कार्बोनेट का उपयोग अग्निशामक में क्यों किया जा सकता है?

Why can sodium hydrogen carbonate be used in fire extinguishers?

Explanation opens after your attempt
Correct Answer

A. यह गरम होने पर कार्बन डाइऑक्साइड दे सकता हैIt can release carbon dioxide on heating

Step 1

Concept

Sodium hydrogen carbonate can release carbon dioxide on heating.

Step 2

Why this answer is correct

Carbon dioxide reduces the supply of oxygen around fire.

Step 3

Exam Tip

Therefore, it helps in fire extinguishing.

Open Question Page
Ask Friends
Question 546/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

पेट में अधिक अम्ल बनने पर लिया जाने वाला अम्लरोधी किस सिद्धांत पर काम करता है?

An antacid taken for excess stomach acid works on which principle?

Explanation opens after your attempt
Correct Answer

C. उदासीनीकरणNeutralisation

Step 1

Concept

Excess acid in the stomach can cause burning.

Step 2

Why this answer is correct

An antacid is mildly basic.

Step 3

Exam Tip

It neutralises the acid, so the principle is neutralisation.

Open Question Page
Ask Friends
Question 547/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

दाँतों की परत को नुकसान पहुँचाने वाली स्थिति किससे संबंधित है?

The condition that damages tooth enamel is related to which of the following?

Explanation opens after your attempt
Correct Answer

A. मुँह में पीएच पाँच दशमलव पाँच से कम होनाpH in the mouth falling below 5.5

Step 1

Concept

Acids can form in the mouth after eating.

Step 2

Why this answer is correct

Tooth enamel is affected when pH falls below 5.5.

Step 3

Exam Tip

Toothpaste helps reduce acidity.

Open Question Page
Ask Friends
Question 548/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

किस पदार्थ को क्षारीय मिट्टी के उपचार में मिलाने से धीरे-धीरे अम्लीय पदार्थ बन सकते हैं?

Which substance can be added to basic soil so that acidic substances may gradually form?

Explanation opens after your attempt
Correct Answer

C. जैविक पदार्थOrganic matter

Step 1

Concept

Basic soil has excess basicity.

Step 2

Why this answer is correct

Organic matter can decompose to form mildly acidic substances.

Step 3

Exam Tip

This can reduce the basicity of soil.

Open Question Page
Ask Friends
Question 549/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

किस पदार्थ का उपयोग अम्लीय मिट्टी के उपचार में सबसे उपयुक्त होगा?

Which substance is most suitable for treating acidic soil?

Explanation opens after your attempt
Correct Answer

C. चूनाLime

Step 1

Concept

Acidic soil has excess acidity.

Step 2

Why this answer is correct

Lime is basic and reduces acidity.

Step 3

Exam Tip

This treatment is based on neutralisation.

Open Question Page
Ask Friends
Question 550/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

कौन सा पदार्थ अम्ल से अभिक्रिया करके हाइड्रोजन के बजाय कार्बन डाइऑक्साइड गैस देगा?

Which substance will react with an acid to give carbon dioxide instead of hydrogen?

Explanation opens after your attempt
Correct Answer

C. सोडियम कार्बोनेटSodium carbonate

Step 1

Concept

Metals can give hydrogen gas with acids.

Step 2

Why this answer is correct

Carbonates give carbon dioxide with acids.

Step 3

Exam Tip

Therefore, sodium carbonate is the correct answer.

Open Question Page
Ask Friends
Question 551/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

अम्ल और धातु की अभिक्रिया में लवण और हाइड्रोजन गैस बनती है। यदि धातु मैग्नीशियम और अम्ल सल्फ्यूरिक अम्ल हो, तो लवण कौन सा होगा?

A metal and an acid react to form a salt and hydrogen gas. If the metal is magnesium and the acid is sulphuric acid, which salt will be formed?

Explanation opens after your attempt
Correct Answer

B. मैग्नीशियम सल्फेटMagnesium sulphate

Step 1

Concept

Sulphuric acid forms sulphate salts.

Step 2

Why this answer is correct

Magnesium provides magnesium ions.

Step 3

Exam Tip

Therefore, magnesium sulphate is formed.

Open Question Page
Ask Friends
Question 552/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

अम्ल और धातु कार्बोनेट की अभिक्रिया में बनने वाली गैस को अधिक मात्रा में चूने के पानी से गुजारने पर विलयन फिर साफ हो सकता है। इसका कारण क्या है?

The gas formed in an acid and metal carbonate reaction can make lime water clear again when passed in excess. What is the reason?

Explanation opens after your attempt
Correct Answer

A. घुलनशील कैल्शियम हाइड्रोजन कार्बोनेट बनता हैSoluble calcium hydrogen carbonate is formed

Step 1

Concept

Carbon dioxide first forms calcium carbonate and makes lime water milky.

Step 2

Why this answer is correct

Excess carbon dioxide forms soluble calcium hydrogen carbonate.

Step 3

Exam Tip

Therefore, the solution can become clear again.

Open Question Page
Ask Friends
Question 553/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

फिनॉल्फ्थेलीन किसी विलयन में गुलाबी हो जाती है और मिथाइल ऑरेंज पीला हो जाता है। यह विलयन कैसा होगा?

Phenolphthalein turns pink and methyl orange turns yellow in a solution. What is the nature of this solution?

Explanation opens after your attempt
Correct Answer

A. क्षारीयBasic

Step 1

Concept

Phenolphthalein turns pink in a basic solution.

Step 2

Why this answer is correct

Methyl orange turns yellow in a basic solution.

Step 3

Exam Tip

Both observations show basic nature.

Open Question Page
Ask Friends
Question 554/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

किसी विलयन में लाल लिटमस नीला हो जाता है, पर नीले लिटमस में कोई परिवर्तन नहीं होता। विलयन किस प्रकार का है?

In a solution, red litmus turns blue, but blue litmus shows no change. What type of solution is it?

Explanation opens after your attempt
Correct Answer

D. क्षारीयBasic

Step 1

Concept

Bases turn red litmus blue.

Step 2

Why this answer is correct

Blue litmus remains blue in a base.

Step 3

Exam Tip

Both observations indicate a basic solution.

Open Question Page
Ask Friends
Question 555/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

किसी विलयन में नीला लिटमस लाल हो जाता है, पर लाल लिटमस में कोई परिवर्तन नहीं होता। विलयन का स्वभाव क्या है?

In a solution, blue litmus turns red, but red litmus shows no change. What is the nature of the solution?

Explanation opens after your attempt
Correct Answer

C. अम्लीयAcidic

Step 1

Concept

Acids turn blue litmus red.

Step 2

Why this answer is correct

Red litmus already has the acidic colour, so it does not change.

Step 3

Exam Tip

This identifies an acidic solution.

Open Question Page
Ask Friends
Question 556/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

यदि किसी क्षारीय विलयन का पीएच तेरह है, तो जल मिलाने पर वह किस दिशा में बदलेगा?

If a basic solution has pH 13, in which direction will it change when water is added?

Explanation opens after your attempt
Correct Answer

B. पीएच सात की ओर घटेगाpH will decrease towards 7

Step 1

Concept

A basic solution has pH greater than 7.

Step 2

Why this answer is correct

Adding water dilutes the base.

Step 3

Exam Tip

On dilution, its pH moves towards 7.

Open Question Page
Ask Friends
Question 557/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 11

यदि दो अम्लीय विलयनों के पीएच मान क्रमशः दो और चार हैं, तो हाइड्रोजन आयनों की मात्रा किसमें अधिक होगी?

If two acidic solutions have pH values 2 and 4 respectively, which one has a higher concentration of hydrogen ions?

Explanation opens after your attempt
Correct Answer

A. पीएच दो वाला विलयनSolution with pH 2

Step 1

Concept

Lower pH means higher acidity.

Step 2

Why this answer is correct

A more acidic solution has more hydrogen ions.

Step 3

Exam Tip

Therefore, the solution with pH 2 has higher hydrogen ion concentration.

Open Question Page
Ask Friends
Question 558/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

किस युग्म में दोनों पदार्थ अम्लीय प्रकृति दिखा सकते हैं?

In which pair can both substances show acidic nature?

Explanation opens after your attempt
Correct Answer

A. नींबू रस और सिरकाLemon juice and vinegar

Step 1

Concept

Lemon juice contains a natural acid.

Step 2

Why this answer is correct

Vinegar is also an example of an acidic substance.

Step 3

Exam Tip

Acidic substances can generally turn blue litmus red.

Open Question Page
Ask Friends
Question 559/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

किस युग्म में दोनों पदार्थ क्षारीय प्रकृति दिखा सकते हैं?

In which pair can both substances show basic nature?

Explanation opens after your attempt
Correct Answer

B. साबुन विलयन और बेकिंग सोडा विलयनSoap solution and baking soda solution

Step 1

Concept

Soap solution is basic in nature.

Step 2

Why this answer is correct

Baking soda solution is also mildly basic.

Step 3

Exam Tip

Vinegar, lemon and tamarind are examples of acidic substances.

Open Question Page
Ask Friends
Question 560/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

किस युग्म में पहला पदार्थ अम्लीय और दूसरा क्षारीय है?

In which pair is the first substance acidic and the second substance basic?

Explanation opens after your attempt
Correct Answer

A. नींबू रस और साबुन विलयनLemon juice and soap solution

Step 1

Concept

Lemon juice contains acidic substances.

Step 2

Why this answer is correct

Soap solution is generally basic.

Step 3

Exam Tip

Connect daily-life substances with their pH nature for revision.

Open Question Page
Ask Friends
Question 561/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

यदि पीएच मान सात से बढ़कर ग्यारह हो जाए, तो विलयन की प्रकृति कैसी होगी?

If the pH value increases from 7 to 11, what will be the nature of the solution?

Explanation opens after your attempt
Correct Answer

B. क्षारीयBasic

Step 1

Concept

pH 7 is the value for a neutral solution.

Step 2

Why this answer is correct

A pH greater than 7 indicates a basic solution.

Step 3

Exam Tip

pH 11 clearly shows basic nature.

Open Question Page
Ask Friends
Question 562/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

यदि पीएच मान सात से घटकर तीन हो जाए, तो विलयन की प्रकृति में क्या परिवर्तन होगा?

If the pH value decreases from 7 to 3, what change occurs in the nature of the solution?

Explanation opens after your attempt
Correct Answer

A. विलयन अधिक अम्लीय हो जाएगाThe solution becomes more acidic

Step 1

Concept

pH 7 indicates neutrality.

Step 2

Why this answer is correct

A pH below 7 indicates acidity.

Step 3

Exam Tip

pH 3 is quite low, so acidity increases.

Open Question Page
Ask Friends
Question 563/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

किस कथन से स्पष्ट होता है कि उदासीनीकरण अभिक्रिया में ऊष्मा निकल सकती है?

Which statement shows that heat can be released in a neutralisation reaction?

Explanation opens after your attempt
Correct Answer

A. अम्ल और क्षार मिलाने पर पात्र गरम महसूस होता हैThe container feels warm when acid and base are mixed

Step 1

Concept

Many neutralisation reactions are exothermic.

Step 2

Why this answer is correct

The container feeling warm indicates heat release.

Step 3

Exam Tip

Acid and base generally form salt and water.

Open Question Page
Ask Friends
Question 564/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

सांद्र अम्ल में सीधे जल डालने से दुर्घटना क्यों हो सकती है?

Why can adding water directly to concentrated acid cause an accident?

Explanation opens after your attempt
Correct Answer

A. क्योंकि अचानक ऊष्मा निकलने से अम्ल उछल सकता हैBecause sudden heat release can cause acid to splash

Step 1

Concept

Adding water to concentrated acid can produce intense heat.

Step 2

Why this answer is correct

This may cause acid to splash and harm skin or eyes.

Step 3

Exam Tip

Always add acid slowly to water.

Open Question Page
Ask Friends
Question 565/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

जल में अम्ल मिलाते समय अम्ल को धीरे-धीरे जल में डालना क्यों चाहिए?

Why should acid be added slowly to water while mixing acid with water?

Explanation opens after your attempt
Correct Answer

A. क्योंकि प्रक्रिया ऊष्मा छोड़ती है और छींटे पड़ सकते हैंBecause the process releases heat and may cause splashing

Step 1

Concept

Dissolving acid in water is an exothermic process.

Step 2

Why this answer is correct

Excess heat can cause acid splashing.

Step 3

Exam Tip

Therefore, the safe method is to add acid slowly to water.

Open Question Page
Ask Friends
Question 566/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

यदि किसी विलयन में लाल और नीले लिटमस दोनों का रंग न बदले, तो आगे कौन सा परीक्षण अधिक स्पष्टता दे सकता है?

If a solution does not change either red or blue litmus, which test can give more clarity?

Explanation opens after your attempt
Correct Answer

A. सार्वत्रिक सूचक से पीएच जाँचनाChecking pH with universal indicator

Step 1

Concept

Litmus gives only a general acidic or basic indication.

Step 2

Why this answer is correct

Universal indicator gives a clearer idea of pH.

Step 3

Exam Tip

Tasting or touching unknown substances is unsafe.

Open Question Page
Ask Friends
Question 567/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

एक छात्र ने प्रयोगशाला में अज्ञात विलयन को छूकर पहचानने की कोशिश की। यह तरीका गलत क्यों है?

A student tried to identify an unknown solution by touching it in the laboratory. Why is this method wrong?

Explanation opens after your attempt
Correct Answer

A. क्योंकि अम्ल और क्षार संक्षारक या हानिकारक हो सकते हैंBecause acids and bases may be corrosive or harmful

Step 1

Concept

Many acids and bases can harm the skin.

Step 2

Why this answer is correct

Touching an unknown solution directly is unsafe.

Step 3

Exam Tip

Use safe indicators and proper laboratory methods for identification.

Open Question Page
Ask Friends
Question 568/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

प्याज का रस घ्राण सूचक के रूप में क्षार की पहचान कैसे कर सकता है?

How can onion juice identify a base as an olfactory indicator?

Explanation opens after your attempt
Correct Answer

A. क्षार में इसकी गंध बदल या कम हो सकती हैIts smell can change or decrease in a base

Step 1

Concept

Olfactory indicators give clues through change in smell.

Step 2

Why this answer is correct

Onion smell can change in a basic medium.

Step 3

Exam Tip

Therefore, onion juice is an example of an olfactory indicator.

Open Question Page
Ask Friends
Question 569/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

गुड़हल के फूल का अर्क अम्ल और क्षार की पहचान में कैसे सहायक हो सकता है?

How can hibiscus flower extract help in identifying acids and bases?

Explanation opens after your attempt
Correct Answer

A. यह अलग माध्यम में रंग परिवर्तन दिखा सकता हैIt can show colour change in different media

Step 1

Concept

Extracts of some flowers act as natural indicators.

Step 2

Why this answer is correct

Hibiscus extract can show different colours in acidic and basic media.

Step 3

Exam Tip

Examples of natural indicators are often asked in exams.

Open Question Page
Ask Friends
Question 570/2107 Medium Science Chemical Substances – Nature and Behaviour Acids, Bases, and Salts Class 10 Level 10

कौन सा पदार्थ प्राकृतिक सूचक के रूप में क्षारीय विलयन की पहचान कर सकता है?

Which substance can identify a basic solution as a natural indicator?

Explanation opens after your attempt
Correct Answer

A. हल्दीTurmeric

Step 1

Concept

Turmeric is a natural indicator.

Step 2

Why this answer is correct

In a basic medium, turmeric becomes reddish brown.

Step 3

Exam Tip

This is why turmeric stain changes colour with soap.

Open Question Page
Ask Friends

class10 Revision Links

All MCQ Tags

Browse concept directory

All Subjects

Subject-wise practice

Search class10

More keyword results