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nature of matter MCQ Questions for Class 11

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393 questions tagged with nature of matter.

Question 301/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

कागज को सामान्यतः किस श्रेणी में रखा जाएगा?

Paper is generally placed in which category?

Explanation opens after your attempt
Correct Answer

A. मिश्रणMixture

Step 1

Concept

Paper may contain cellulose and other substances. Exam tip: think before treating daily objects as pure substances.

Step 2

Why this answer is correct

The correct answer is A. मिश्रण / Mixture. Paper may contain cellulose and other substances. Exam tip: think before treating daily objects as pure substances.

Step 3

Exam Tip

कागज में सेल्यूलोज और अन्य पदार्थ हो सकते हैं। परीक्षा में दैनिक वस्तुओं को शुद्ध पदार्थ मानने से पहले सोचें।

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Question 302/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

लकड़ी को सामान्यतः किस रूप में माना जाएगा?

Wood is generally considered as what?

Explanation opens after your attempt
Correct Answer

C. मिश्रणMixture

Step 1

Concept

Wood contains many organic substances so it is a mixture. Exam tip: natural materials are often mixtures.

Step 2

Why this answer is correct

The correct answer is C. मिश्रण / Mixture. Wood contains many organic substances so it is a mixture. Exam tip: natural materials are often mixtures.

Step 3

Exam Tip

लकड़ी में कई कार्बनिक पदार्थ होते हैं इसलिए यह मिश्रण है। परीक्षा में प्राकृतिक पदार्थों को अक्सर मिश्रण मानें।

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Question 303/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

कौन सा पदार्थ दो तत्वों के निश्चित अनुपात से बना है?

Which substance is made of two elements in a fixed ratio?

Explanation opens after your attempt
Correct Answer

B. जलWater

Step 1

Concept

Water is made of hydrogen and oxygen in a fixed ratio. Exam tip: fixed ratio indicates compound.

Step 2

Why this answer is correct

The correct answer is B. जल / Water. Water is made of hydrogen and oxygen in a fixed ratio. Exam tip: fixed ratio indicates compound.

Step 3

Exam Tip

जल हाइड्रोजन और ऑक्सीजन के निश्चित अनुपात से बना है। परीक्षा में निश्चित अनुपात यौगिक का संकेत है।

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Question 304/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

कौन सा पदार्थ रासायनिक रूप से एक ही प्रकार के परमाणुओं से बना है?

Which substance is chemically made of one kind of atoms?

Explanation opens after your attempt
Correct Answer

A. हाइड्रोजनHydrogen

Step 1

Concept

Hydrogen is an element. Exam tip: connect elements with one kind of atoms.

Step 2

Why this answer is correct

The correct answer is A. हाइड्रोजन / Hydrogen. Hydrogen is an element. Exam tip: connect elements with one kind of atoms.

Step 3

Exam Tip

हाइड्रोजन एक तत्व है। परीक्षा में तत्वों को एक प्रकार के परमाणु से जोड़ें।

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Question 305/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

किसका कोई निश्चित रासायनिक सूत्र नहीं होता?

Which does not have a fixed chemical formula?

Explanation opens after your attempt
Correct Answer

C. हवाAir

Step 1

Concept

Air is a mixture so it does not have one fixed formula. Exam tip: be careful with formulas of mixtures.

Step 2

Why this answer is correct

The correct answer is C. हवा / Air. Air is a mixture so it does not have one fixed formula. Exam tip: be careful with formulas of mixtures.

Step 3

Exam Tip

हवा मिश्रण है इसलिए उसका एक निश्चित सूत्र नहीं होता। परीक्षा में मिश्रणों के सूत्र पर सावधान रहें।

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Question 306/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

कौन सा कथन यौगिक के लिए सही है?

Which statement is correct for a compound?

Explanation opens after your attempt
Correct Answer

A. संरचना निश्चित होती हैComposition is fixed

Step 1

Concept

A compound has fixed composition. Exam tip: distinguish compound and mixture by ratio.

Step 2

Why this answer is correct

The correct answer is A. संरचना निश्चित होती है / Composition is fixed. A compound has fixed composition. Exam tip: distinguish compound and mixture by ratio.

Step 3

Exam Tip

यौगिक की संरचना निश्चित होती है। परीक्षा में यौगिक और मिश्रण का अंतर अनुपात से करें।

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Question 307/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

कौन सा कथन मिश्रण के लिए सही है?

Which statement is correct for a mixture?

Explanation opens after your attempt
Correct Answer

B. घटक भौतिक विधियों से अलग किए जा सकते हैंComponents can be separated by physical methods

Step 1

Concept

Components of mixtures can generally be separated by physical methods. Exam tip: identify mixtures through separation methods.

Step 2

Why this answer is correct

The correct answer is B. घटक भौतिक विधियों से अलग किए जा सकते हैं / Components can be separated by physical methods. Components of mixtures can generally be separated by physical methods. Exam tip: identify mixtures through separation methods.

Step 3

Exam Tip

मिश्रण के घटक सामान्यतः भौतिक विधियों से अलग हो सकते हैं। परीक्षा में अलगाव विधि से मिश्रण पहचानें।

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Question 308/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

दूध किसका उदाहरण माना जा सकता है?

Milk can be considered an example of what?

Explanation opens after your attempt
Correct Answer

A. मिश्रणMixture

Step 1

Concept

Milk contains water fat and other components. Exam tip: do not treat milk as a pure substance.

Step 2

Why this answer is correct

The correct answer is A. मिश्रण / Mixture. Milk contains water fat and other components. Exam tip: do not treat milk as a pure substance.

Step 3

Exam Tip

दूध में पानी वसा और अन्य घटक होते हैं। परीक्षा में दूध को शुद्ध पदार्थ न मानें।

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Question 309/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

चाय सामान्य रूप से किस प्रकार का पदार्थ है?

Tea is generally what type of matter?

Explanation opens after your attempt
Correct Answer

B. मिश्रणMixture

Step 1

Concept

Tea contains water and dissolved substances so it is a mixture. Exam tip: beverages are often mixtures.

Step 2

Why this answer is correct

The correct answer is B. मिश्रण / Mixture. Tea contains water and dissolved substances so it is a mixture. Exam tip: beverages are often mixtures.

Step 3

Exam Tip

चाय में पानी और घुले पदार्थ होते हैं इसलिए यह मिश्रण है। परीक्षा में पेय पदार्थों को अक्सर मिश्रण मानें।

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Question 310/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

घोल में विलेय और विलायक की संरचना कैसी होती है?

In a solution how is the distribution of solute and solvent?

Explanation opens after your attempt
Correct Answer

A. समान रूप से फैलीUniformly distributed

Step 1

Concept

A solution is a homogeneous mixture with uniformly distributed solute. Exam tip: remember uniformity of solution.

Step 2

Why this answer is correct

The correct answer is A. समान रूप से फैली / Uniformly distributed. A solution is a homogeneous mixture with uniformly distributed solute. Exam tip: remember uniformity of solution.

Step 3

Exam Tip

घोल समांगी मिश्रण है जिसमें विलेय समान रूप से फैला होता है। परीक्षा में घोल की समानता याद रखें।

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Question 311/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

निम्न में से कौन यौगिक नहीं है?

Which of the following is not a compound?

Explanation opens after your attempt
Correct Answer

D. सोनाGold

Step 1

Concept

Gold is an element not a compound. Exam tip: single metal names usually indicate elements.

Step 2

Why this answer is correct

The correct answer is D. सोना / Gold. Gold is an element not a compound. Exam tip: single metal names usually indicate elements.

Step 3

Exam Tip

सोना एक तत्व है यौगिक नहीं। परीक्षा में धातुओं के एकल नामों को तत्व समझें।

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Question 312/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

निम्न में से कौन एक तत्व नहीं है?

Which of the following is not an element?

Explanation opens after your attempt
Correct Answer

D. वायुAir

Step 1

Concept

Air is a mixture of gases not an element. Exam tip: distinguish air from nitrogen or oxygen.

Step 2

Why this answer is correct

The correct answer is D. वायु / Air. Air is a mixture of gases not an element. Exam tip: distinguish air from nitrogen or oxygen.

Step 3

Exam Tip

वायु गैसों का मिश्रण है तत्व नहीं। परीक्षा में वायु को नाइट्रोजन या ऑक्सीजन से अलग समझें।

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Question 313/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

रक्त को सामान्यतः किस प्रकार का पदार्थ माना जाता है?

Blood is generally considered what type of matter?

Explanation opens after your attempt
Correct Answer

C. विषमांगी मिश्रणHeterogeneous mixture

Step 1

Concept

Blood contains many components so it is a mixture. Exam tip: biological fluids are often mixtures.

Step 2

Why this answer is correct

The correct answer is C. विषमांगी मिश्रण / Heterogeneous mixture. Blood contains many components so it is a mixture. Exam tip: biological fluids are often mixtures.

Step 3

Exam Tip

रक्त में कई घटक होते हैं इसलिए यह मिश्रण है। परीक्षा में जैविक द्रवों को अक्सर मिश्रण मानें।

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Question 314/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

डिस्टिल्ड जल को सामान्यतः क्या माना जाता है?

Distilled water is generally considered what?

Explanation opens after your attempt
Correct Answer

A. शुद्ध पदार्थPure substance

Step 1

Concept

Distilled water has very few impurities and is treated as pure water. Exam tip: consider distilled water as a pure substance.

Step 2

Why this answer is correct

The correct answer is A. शुद्ध पदार्थ / Pure substance. Distilled water has very few impurities and is treated as pure water. Exam tip: consider distilled water as a pure substance.

Step 3

Exam Tip

डिस्टिल्ड जल में अशुद्धियाँ बहुत कम होती हैं और यह शुद्ध जल माना जाता है। परीक्षा में आसुत जल को शुद्ध पदार्थ मानें।

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Question 315/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

समुद्री जल को क्या माना जाएगा?

What will sea water be considered?

Explanation opens after your attempt
Correct Answer

C. मिश्रणMixture

Step 1

Concept

Sea water contains water with many dissolved salts. Exam tip: natural water samples are mixtures.

Step 2

Why this answer is correct

The correct answer is C. मिश्रण / Mixture. Sea water contains water with many dissolved salts. Exam tip: natural water samples are mixtures.

Step 3

Exam Tip

समुद्री जल में पानी के साथ कई लवण घुले होते हैं। परीक्षा में प्राकृतिक जल को मिश्रण मानें।

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Question 316/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

दो तत्वों के रासायनिक संयोजन से बना शुद्ध पदार्थ क्या कहलाता है?

A pure substance formed by chemical combination of two elements is called what?

Explanation opens after your attempt
Correct Answer

C. यौगिकCompound

Step 1

Concept

Chemical combination forms a compound. Exam tip: separate chemical combination from physical mixing.

Step 2

Why this answer is correct

The correct answer is C. यौगिक / Compound. Chemical combination forms a compound. Exam tip: separate chemical combination from physical mixing.

Step 3

Exam Tip

रासायनिक संयोजन से यौगिक बनता है। परीक्षा में रासायनिक संयोजन और भौतिक मिश्रण अलग रखें।

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Question 317/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

एक ही प्रकार के परमाणुओं से बना शुद्ध पदार्थ क्या कहलाता है?

A pure substance made of one kind of atoms is called what?

Explanation opens after your attempt
Correct Answer

B. तत्वElement

Step 1

Concept

A substance made of one kind of atoms is called an element. Exam tip: focus on the type of atoms.

Step 2

Why this answer is correct

The correct answer is B. तत्व / Element. A substance made of one kind of atoms is called an element. Exam tip: focus on the type of atoms.

Step 3

Exam Tip

एक ही प्रकार के परमाणुओं से बना पदार्थ तत्व कहलाता है। परीक्षा में परमाणु के प्रकार पर ध्यान दें।

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Question 318/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

मिश्रण को किन दो वर्गों में बाँटा जा सकता है?

Mixtures can be divided into which two classes?

Explanation opens after your attempt
Correct Answer

C. समांगी और विषमांगीHomogeneous and heterogeneous

Step 1

Concept

Mixtures can be homogeneous or heterogeneous. Exam tip: classify mixtures by uniformity of composition.

Step 2

Why this answer is correct

The correct answer is C. समांगी और विषमांगी / Homogeneous and heterogeneous. Mixtures can be homogeneous or heterogeneous. Exam tip: classify mixtures by uniformity of composition.

Step 3

Exam Tip

मिश्रण समांगी या विषमांगी हो सकते हैं। परीक्षा में मिश्रण का वर्गीकरण संरचना की समानता से करें।

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Question 319/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

शुद्ध पदार्थ को किन दो वर्गों में बाँटा जा सकता है?

Pure substances can be divided into which two classes?

Explanation opens after your attempt
Correct Answer

B. तत्व और यौगिकElements and compounds

Step 1

Concept

Pure substances can be elements or compounds. Exam tip: do not include mixtures in this class.

Step 2

Why this answer is correct

The correct answer is B. तत्व और यौगिक / Elements and compounds. Pure substances can be elements or compounds. Exam tip: do not include mixtures in this class.

Step 3

Exam Tip

शुद्ध पदार्थ तत्व और यौगिक हो सकते हैं। परीक्षा में मिश्रण को इस वर्ग में शामिल न करें।

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Question 320/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

निम्न में से कौन विषमांगी मिश्रण है?

Which of the following is a heterogeneous mixture?

Explanation opens after your attempt
Correct Answer

D. मिट्टीSoil

Step 1

Concept

Soil contains different particles and substances. Exam tip: non-uniform materials are heterogeneous.

Step 2

Why this answer is correct

The correct answer is D. मिट्टी / Soil. Soil contains different particles and substances. Exam tip: non-uniform materials are heterogeneous.

Step 3

Exam Tip

मिट्टी में अलग अलग कण और पदार्थ होते हैं। परीक्षा में असमान दिखने वाले पदार्थों को विषमांगी मानें।

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Question 321/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

मिश्रधातु को सामान्यतः क्या माना जाता है?

What is an alloy generally considered?

Explanation opens after your attempt
Correct Answer

B. समांगी मिश्रणHomogeneous mixture

Step 1

Concept

Most alloys are solid homogeneous mixtures. Exam tip: do not treat alloys as compounds.

Step 2

Why this answer is correct

The correct answer is B. समांगी मिश्रण / Homogeneous mixture. Most alloys are solid homogeneous mixtures. Exam tip: do not treat alloys as compounds.

Step 3

Exam Tip

अधिकांश मिश्रधातुएँ ठोस समांगी मिश्रण होती हैं। परीक्षा में मिश्रधातु को यौगिक न मानें।

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Question 322/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

कांसा किस श्रेणी में आता है?

Bronze belongs to which category?

Explanation opens after your attempt
Correct Answer

A. मिश्रधातुAlloy

Step 1

Concept

Bronze is an alloy of copper and tin. Exam tip: remember components of common alloys.

Step 2

Why this answer is correct

The correct answer is A. मिश्रधातु / Alloy. Bronze is an alloy of copper and tin. Exam tip: remember components of common alloys.

Step 3

Exam Tip

कांसा तांबा और टिन की मिश्रधातु है। परीक्षा में सामान्य मिश्रधातुओं के घटक याद रखें।

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Question 323/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

पीतल किसका उदाहरण है?

Brass is an example of what?

Explanation opens after your attempt
Correct Answer

C. मिश्रधातुAlloy

Step 1

Concept

Brass is an alloy of copper and zinc. Exam tip: remember alloys as mixtures.

Step 2

Why this answer is correct

The correct answer is C. मिश्रधातु / Alloy. Brass is an alloy of copper and zinc. Exam tip: remember alloys as mixtures.

Step 3

Exam Tip

पीतल तांबा और जस्ता की मिश्रधातु है। परीक्षा में मिश्रधातु को मिश्रण के रूप में याद रखें।

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Question 324/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

रेत और पानी का मिश्रण सामान्यतः कैसा होता है?

A mixture of sand and water is generally what type?

Explanation opens after your attempt
Correct Answer

B. विषमांगीHeterogeneous

Step 1

Concept

Sand does not dissolve uniformly in water so the mixture is heterogeneous. Exam tip: identify insoluble solids.

Step 2

Why this answer is correct

The correct answer is B. विषमांगी / Heterogeneous. Sand does not dissolve uniformly in water so the mixture is heterogeneous. Exam tip: identify insoluble solids.

Step 3

Exam Tip

रेत पानी में समान रूप से नहीं घुलती इसलिए मिश्रण विषमांगी है। परीक्षा में अघुलनशील ठोस को पहचानें।

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Question 325/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

चीनी पानी का घोल कैसा मिश्रण है?

Sugar solution in water is what type of mixture?

Explanation opens after your attempt
Correct Answer

A. समांगी मिश्रणHomogeneous mixture

Step 1

Concept

Sugar dissolves uniformly in water. Exam tip: clear solutions are homogeneous.

Step 2

Why this answer is correct

The correct answer is A. समांगी मिश्रण / Homogeneous mixture. Sugar dissolves uniformly in water. Exam tip: clear solutions are homogeneous.

Step 3

Exam Tip

चीनी पानी में समान रूप से घुल जाती है। परीक्षा में साफ घोल को समांगी समझें।

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Question 326/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

तेल और पानी मिलाने पर किस प्रकार का मिश्रण बनता है?

What type of mixture is formed by mixing oil and water?

Explanation opens after your attempt
Correct Answer

B. विषमांगी मिश्रणHeterogeneous mixture

Step 1

Concept

Oil and water form separate layers so the mixture is heterogeneous. Exam tip: layer formation indicates non-uniformity.

Step 2

Why this answer is correct

The correct answer is B. विषमांगी मिश्रण / Heterogeneous mixture. Oil and water form separate layers so the mixture is heterogeneous. Exam tip: layer formation indicates non-uniformity.

Step 3

Exam Tip

तेल और पानी अलग परतें बनाते हैं इसलिए विषमांगी मिश्रण है। परीक्षा में परत बनना असमानता का संकेत है।

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Question 327/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

नमक पानी का घोल किस प्रकार का मिश्रण है?

Salt water solution is what type of mixture?

Explanation opens after your attempt
Correct Answer

B. समांगी मिश्रणHomogeneous mixture

Step 1

Concept

Salt dissolves uniformly in water so the solution is homogeneous. Exam tip: solutions are generally homogeneous.

Step 2

Why this answer is correct

The correct answer is B. समांगी मिश्रण / Homogeneous mixture. Salt dissolves uniformly in water so the solution is homogeneous. Exam tip: solutions are generally homogeneous.

Step 3

Exam Tip

नमक पानी में समान रूप से घुलता है इसलिए घोल समांगी है। परीक्षा में घोल को सामान्यतः समांगी मानें।

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Question 328/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

विषमांगी मिश्रण की सही विशेषता क्या है?

What is the correct characteristic of a heterogeneous mixture?

Explanation opens after your attempt
Correct Answer

B. अलग अलग भागों में अलग संरचनाDifferent composition in different parts

Step 1

Concept

A heterogeneous mixture does not have uniform composition. Exam tip: non-uniformity indicates heterogeneous mixture.

Step 2

Why this answer is correct

The correct answer is B. अलग अलग भागों में अलग संरचना / Different composition in different parts. A heterogeneous mixture does not have uniform composition. Exam tip: non-uniformity indicates heterogeneous mixture.

Step 3

Exam Tip

विषमांगी मिश्रण में संरचना समान नहीं होती। परीक्षा में असमानता को विषमांगी मानें।

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Question 329/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

समांगी मिश्रण की सही विशेषता क्या है?

What is the correct characteristic of a homogeneous mixture?

Explanation opens after your attempt
Correct Answer

A. हर भाग में समान संरचनाUniform composition throughout

Step 1

Concept

A homogeneous mixture has uniform composition throughout. Exam tip: connect uniformity with homogeneous.

Step 2

Why this answer is correct

The correct answer is A. हर भाग में समान संरचना / Uniform composition throughout. A homogeneous mixture has uniform composition throughout. Exam tip: connect uniformity with homogeneous.

Step 3

Exam Tip

समांगी मिश्रण में संरचना हर जगह समान होती है। परीक्षा में समानता को समांगी से जोड़ें।

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Question 330/393 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 6

नमक और रेत को मिलाने पर क्या बनता है?

What is formed when salt and sand are mixed?

Explanation opens after your attempt
Correct Answer

C. मिश्रणMixture

Step 1

Concept

Salt and sand do not chemically combine so a mixture forms. Exam tip: separate physical mixing from chemical combination.

Step 2

Why this answer is correct

The correct answer is C. मिश्रण / Mixture. Salt and sand do not chemically combine so a mixture forms. Exam tip: separate physical mixing from chemical combination.

Step 3

Exam Tip

नमक और रेत रासायनिक रूप से नहीं जुड़ते इसलिए मिश्रण बनता है। परीक्षा में केवल मिलाना और रासायनिक जुड़ना अलग रखें।

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