Concept-wise Practice

nature of matter MCQ Questions for Class 11

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

Practice Questions

393 questions tagged with nature of matter.

धुआँ पदार्थ है क्योंकि वह क्या रखता है?

Smoke is matter because it has what?

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Correct Answer

B. द्रव्यमान और आयतनMass and volume

Step 1

Concept

Smoke contains tiny particles and gases so it is matter. Exam tip: focus on mass more than visibility.

Step 2

Why this answer is correct

The correct answer is B. द्रव्यमान और आयतन / Mass and volume. Smoke contains tiny particles and gases so it is matter. Exam tip: focus on mass more than visibility.

Step 3

Exam Tip

धुआँ सूक्ष्म कणों और गैसों से बना होता है इसलिए पदार्थ है। परीक्षा में दृश्यता से अधिक द्रव्यमान पर ध्यान दें।

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दूध सामान्यतः किस अवस्था में माना जाता है?

Milk is generally considered to be in which state?

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Correct Answer

B. द्रवLiquid

Step 1

Concept

Milk flows so it is generally considered a liquid. Exam tip: check flow to identify state.

Step 2

Why this answer is correct

The correct answer is B. द्रव / Liquid. Milk flows so it is generally considered a liquid. Exam tip: check flow to identify state.

Step 3

Exam Tip

दूध बहता है इसलिए सामान्य रूप से द्रव माना जाता है। परीक्षा में अवस्था पहचानने के लिए प्रवाह देखें।

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कौन सा उदाहरण ठोस है?

Which example is a solid?

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Correct Answer

C. लकड़ीWood

Step 1

Concept

Wood is a solid because it keeps a fixed shape. Exam tip: look for fixed shape.

Step 2

Why this answer is correct

The correct answer is C. लकड़ी / Wood. Wood is a solid because it keeps a fixed shape. Exam tip: look for fixed shape.

Step 3

Exam Tip

लकड़ी ठोस है क्योंकि उसका आकार निश्चित रहता है। परीक्षा में स्थिर आकार देखें।

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कौन सा गुण गैसों में सबसे अधिक पाया जाता है?

Which property is most common in gases?

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Correct Answer

B. उच्च संपीड्यताHigh compressibility

Step 1

Concept

Gases are highly compressible due to large empty spaces. Exam tip: understand gas properties from particle distance.

Step 2

Why this answer is correct

The correct answer is B. उच्च संपीड्यता / High compressibility. Gases are highly compressible due to large empty spaces. Exam tip: understand gas properties from particle distance.

Step 3

Exam Tip

गैसों में रिक्त स्थान अधिक होने से संपीड्यता अधिक होती है। परीक्षा में गैसों के गुणों को कण दूरी से समझें।

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ठोस के कण किस प्रकार गति करते हैं?

How do particles of a solid move?

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A. वे निश्चित स्थानों के आसपास कंपन करते हैंThey vibrate about fixed positions

Step 1

Concept

Solid particles vibrate about fixed positions. Exam tip: remember vibration with fixed arrangement.

Step 2

Why this answer is correct

The correct answer is A. वे निश्चित स्थानों के आसपास कंपन करते हैं / They vibrate about fixed positions. Solid particles vibrate about fixed positions. Exam tip: remember vibration with fixed arrangement.

Step 3

Exam Tip

ठोस के कण अपने स्थानों के आसपास कंपन करते हैं। परीक्षा में कंपन और स्थिर व्यवस्था याद रखें।

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किस अवस्था में कणों की गति सबसे अधिक स्वतंत्र होती है?

In which state do particles have the most freedom of movement?

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Correct Answer

C. गैसGas

Step 1

Concept

Gas particles move most freely. Exam tip: connect free motion with gases.

Step 2

Why this answer is correct

The correct answer is C. गैस / Gas. Gas particles move most freely. Exam tip: connect free motion with gases.

Step 3

Exam Tip

गैस में कण बहुत स्वतंत्र रूप से चलते हैं। परीक्षा में स्वतंत्र गति को गैस से जोड़ें।

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कौन सा पदार्थ सामान्य परिस्थितियों में द्रव है?

Which substance is a liquid under normal conditions?

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Correct Answer

C. पानीWater

Step 1

Concept

Water is a liquid under normal conditions. Exam tip: take normal temperature and pressure as reference.

Step 2

Why this answer is correct

The correct answer is C. पानी / Water. Water is a liquid under normal conditions. Exam tip: take normal temperature and pressure as reference.

Step 3

Exam Tip

पानी सामान्य परिस्थितियों में द्रव है। परीक्षा में सामान्य ताप और दाब को संदर्भ मानें।

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कौन सा कथन गैस के लिए सही है?

Which statement is correct for a gas?

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Correct Answer

A. वह पात्र का पूरा आयतन भरती हैIt fills the whole container

Step 1

Concept

A gas spreads to fill the entire container. Exam tip: remember expansion of gases.

Step 2

Why this answer is correct

The correct answer is A. वह पात्र का पूरा आयतन भरती है / It fills the whole container. A gas spreads to fill the entire container. Exam tip: remember expansion of gases.

Step 3

Exam Tip

गैस फैलकर पात्र का पूरा आयतन भर देती है। परीक्षा में गैसों का प्रसार याद रखें।

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कौन सा कथन ठोस के लिए सही है?

Which statement is correct for a solid?

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Correct Answer

C. उसका आकार और आयतन निश्चित होता हैIt has fixed shape and volume

Step 1

Concept

A solid has fixed shape and volume. Exam tip: this is the simplest identification.

Step 2

Why this answer is correct

The correct answer is C. उसका आकार और आयतन निश्चित होता है / It has fixed shape and volume. A solid has fixed shape and volume. Exam tip: this is the simplest identification.

Step 3

Exam Tip

ठोस का आकार और आयतन निश्चित होता है। परीक्षा में यह सबसे सीधी पहचान है।

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मोमबत्ती का मोम सामान्य ताप पर किस अवस्था में होता है?

Candle wax is in which state at normal temperature?

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Correct Answer

A. ठोसSolid

Step 1

Concept

Wax is solid at normal temperature. Exam tip: remember state can change with temperature.

Step 2

Why this answer is correct

The correct answer is A. ठोस / Solid. Wax is solid at normal temperature. Exam tip: remember state can change with temperature.

Step 3

Exam Tip

मोम सामान्य ताप पर ठोस होता है। परीक्षा में ताप बदलने पर अवस्था बदल सकती है यह याद रखें।

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पदार्थ को भौतिक अवस्था के आधार पर कैसे बाँटा जाता है?

How is matter classified on the basis of physical state?

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Correct Answer

C. ठोस द्रव गैसSolid liquid gas

Step 1

Concept

On physical-state basis matter is classified as solid liquid and gas. Exam tip: read the basis carefully.

Step 2

Why this answer is correct

The correct answer is C. ठोस द्रव गैस / Solid liquid gas. On physical-state basis matter is classified as solid liquid and gas. Exam tip: read the basis carefully.

Step 3

Exam Tip

भौतिक अवस्था के आधार पर पदार्थ ठोस द्रव और गैस में बाँटा जाता है। परीक्षा में आधार को ध्यान से पढ़ें।

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निम्न में से कौन द्रव की विशेषता है?

Which of the following is a characteristic of a liquid?

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Correct Answer

B. बहने की क्षमताAbility to flow

Step 1

Concept

Liquids flow and take the shape of the container. Exam tip: fluidity is a main property.

Step 2

Why this answer is correct

The correct answer is B. बहने की क्षमता / Ability to flow. Liquids flow and take the shape of the container. Exam tip: fluidity is a main property.

Step 3

Exam Tip

द्रव बहते हैं और पात्र का आकार लेते हैं। परीक्षा में द्रवता को मुख्य गुण मानें।

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ठोस को आसानी से संपीड़ित क्यों नहीं किया जा सकता?

Why can a solid not be easily compressed?

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Correct Answer

B. उसके कण बहुत पास होते हैंIts particles are very close

Step 1

Concept

There is very little empty space between solid particles. Exam tip: remember solids are nearly incompressible.

Step 2

Why this answer is correct

The correct answer is B. उसके कण बहुत पास होते हैं / Its particles are very close. There is very little empty space between solid particles. Exam tip: remember solids are nearly incompressible.

Step 3

Exam Tip

ठोस के कणों के बीच बहुत कम रिक्त स्थान होता है। परीक्षा में ठोस की असंपीड्यता याद रखें।

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गैस को संपीड़ित करना आसान क्यों होता है?

Why is it easy to compress a gas?

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Correct Answer

A. क्योंकि कण बहुत दूर होते हैंBecause particles are far apart

Step 1

Concept

Gas particles have large empty spaces between them. Exam tip: connect distance with compressibility.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि कण बहुत दूर होते हैं / Because particles are far apart. Gas particles have large empty spaces between them. Exam tip: connect distance with compressibility.

Step 3

Exam Tip

गैस के कणों के बीच अधिक रिक्त स्थान होता है। परीक्षा में दूरी और संपीड्यता को जोड़कर पढ़ें।

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किस अवस्था के कण सबसे अधिक व्यवस्थित और निकट होते हैं?

In which state are particles most ordered and close?

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Correct Answer

C. ठोसSolid

Step 1

Concept

Particles in solids are close and ordered. Exam tip: use particle arrangement to identify the state.

Step 2

Why this answer is correct

The correct answer is C. ठोस / Solid. Particles in solids are close and ordered. Exam tip: use particle arrangement to identify the state.

Step 3

Exam Tip

ठोस में कण पास और व्यवस्थित होते हैं। परीक्षा में कणों की व्यवस्था से अवस्था पहचानें।

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भाप जल की कौन सी अवस्था है?

Steam is which state of water?

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Correct Answer

C. गैसीय अवस्थाGaseous state

Step 1

Concept

Steam is the gaseous state of water. Exam tip: remember three states of water as examples.

Step 2

Why this answer is correct

The correct answer is C. गैसीय अवस्था / Gaseous state. Steam is the gaseous state of water. Exam tip: remember three states of water as examples.

Step 3

Exam Tip

भाप जल की गैसीय अवस्था है। परीक्षा में जल की तीन अवस्थाएँ उदाहरण के रूप में याद रखें।

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बर्फ और जल में मुख्य अंतर किसका है?

What is the main difference between ice and water?

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Correct Answer

B. भौतिक अवस्था काPhysical state

Step 1

Concept

Ice is solid and water is liquid. Exam tip: change of state does not always change substance identity.

Step 2

Why this answer is correct

The correct answer is B. भौतिक अवस्था का / Physical state. Ice is solid and water is liquid. Exam tip: change of state does not always change substance identity.

Step 3

Exam Tip

बर्फ ठोस और जल द्रव अवस्था है। परीक्षा में अवस्था बदलने पर पदार्थ की पहचान तुरंत न बदलें।

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सामान्य ताप पर ऑक्सीजन मुख्यतः किस अवस्था में होती है?

At normal temperature oxygen mainly exists in which state?

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Correct Answer

C. गैसGas

Step 1

Concept

Oxygen is a gas at normal temperature. Exam tip: remember the state of atmospheric gases.

Step 2

Why this answer is correct

The correct answer is C. गैस / Gas. Oxygen is a gas at normal temperature. Exam tip: remember the state of atmospheric gases.

Step 3

Exam Tip

ऑक्सीजन सामान्य ताप पर गैस है। परीक्षा में वायुमंडलीय गैसों की अवस्था याद रखें।

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सामान्य ताप पर लोहे की अवस्था क्या होती है?

What is the state of iron at normal temperature?

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Correct Answer

A. ठोसSolid

Step 1

Concept

Iron is solid at normal temperature. Exam tip: identifying daily examples gives easy marks.

Step 2

Why this answer is correct

The correct answer is A. ठोस / Solid. Iron is solid at normal temperature. Exam tip: identifying daily examples gives easy marks.

Step 3

Exam Tip

लोहा सामान्य ताप पर ठोस होता है। परीक्षा में दैनिक पदार्थों की अवस्था पहचानना आसान अंक देता है।

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द्रव का सबसे सही उदाहरण कौन सा है?

Which is the best example of a liquid?

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Correct Answer

D. तेलOil

Step 1

Concept

Oil is a liquid because it flows and takes the container shape. Exam tip: flow is a key sign of liquids.

Step 2

Why this answer is correct

The correct answer is D. तेल / Oil. Oil is a liquid because it flows and takes the container shape. Exam tip: flow is a key sign of liquids.

Step 3

Exam Tip

तेल द्रव है क्योंकि वह बहता है और पात्र का आकार लेता है। परीक्षा में बहने को द्रव का संकेत मानें।

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कौन सी अवस्था न निश्चित आकार रखती है और न निश्चित आयतन?

Which state has neither fixed shape nor fixed volume?

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Correct Answer

C. गैसGas

Step 1

Concept

A gas fills the container so it has no fixed shape or volume. Exam tip: remember expansion ability.

Step 2

Why this answer is correct

The correct answer is C. गैस / Gas. A gas fills the container so it has no fixed shape or volume. Exam tip: remember expansion ability.

Step 3

Exam Tip

गैस पात्र को पूरा भर देती है इसलिए उसका आकार और आयतन निश्चित नहीं होता। परीक्षा में फैलने की क्षमता याद रखें।

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कौन सी अवस्था निश्चित आयतन रखती है लेकिन पात्र का आकार लेती है?

Which state has fixed volume but takes the shape of the container?

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Correct Answer

C. द्रवLiquid

Step 1

Concept

A liquid has fixed volume but changes shape with the container. Exam tip: use water as a common example.

Step 2

Why this answer is correct

The correct answer is C. द्रव / Liquid. A liquid has fixed volume but changes shape with the container. Exam tip: use water as a common example.

Step 3

Exam Tip

द्रव का आयतन निश्चित होता है पर आकार पात्र के अनुसार बदलता है। परीक्षा में पानी को उदाहरण मानें।

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निश्चित आकार और निश्चित आयतन किस अवस्था की विशेषता है?

Fixed shape and fixed volume are characteristics of which state?

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Correct Answer

B. ठोसSolid

Step 1

Concept

A solid has nearly fixed shape and volume. Exam tip: rigidity points to solids.

Step 2

Why this answer is correct

The correct answer is B. ठोस / Solid. A solid has nearly fixed shape and volume. Exam tip: rigidity points to solids.

Step 3

Exam Tip

ठोस का आकार और आयतन दोनों लगभग निश्चित होते हैं। परीक्षा में ठोस की कठोरता से संकेत लें।

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पदार्थ की तीन सामान्य भौतिक अवस्थाएँ कौन सी हैं?

What are the three common physical states of matter?

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Correct Answer

A. ठोस द्रव गैसSolid liquid gas

Step 1

Concept

Solid liquid and gas are common states of matter. Exam tip: keep states and classification separate.

Step 2

Why this answer is correct

The correct answer is A. ठोस द्रव गैस / Solid liquid gas. Solid liquid and gas are common states of matter. Exam tip: keep states and classification separate.

Step 3

Exam Tip

ठोस द्रव और गैस पदार्थ की सामान्य अवस्थाएँ हैं। परीक्षा में अवस्था और वर्गीकरण अलग रखें।

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निम्न में से कौन पदार्थ की सबसे सामान्य पहचान है?

Which of the following is the most general identity of matter?

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Correct Answer

B. जिसमें द्रव्यमान हो और स्थान घेरता होHas mass and occupies space

Step 1

Concept

Matter has mass and occupies space. Exam tip: remember this basic definition.

Step 2

Why this answer is correct

The correct answer is B. जिसमें द्रव्यमान हो और स्थान घेरता हो / Has mass and occupies space. Matter has mass and occupies space. Exam tip: remember this basic definition.

Step 3

Exam Tip

पदार्थ में द्रव्यमान होता है और वह स्थान घेरता है। परीक्षा में पदार्थ की परिभाषा याद रखें।

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Nature of matter Levels 1 to 4 का final summary क्या है?

What is the final summary of Nature of matter Levels 1 to 4?

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A. matter mass और space रखता है particles से बना है और state तथा composition से classify होता हैMatter has mass and space is made of particles and is classified by state and composition

Step 1

Concept

Definition states classification properties and changes of matter are the basic foundation. In exams classify through examples.

Step 2

Why this answer is correct

The correct answer is A. matter mass और space रखता है particles से बना है और state तथा composition से classify होता है / Matter has mass and space is made of particles and is classified by state and composition. Definition states classification properties and changes of matter are the basic foundation. In exams classify through examples.

Step 3

Exam Tip

पदार्थ की definition states classification properties और changes basic foundation हैं। Exam में examples से classification करें।

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Nature of matter समझने में particle model क्यों useful है?

Why is particle model useful in understanding nature of matter?

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A. यह states diffusion और compression explain करता हैIt explains states diffusion and compression

Step 1

Concept

Particle model gives microscopic picture of matter. It explains many physical properties.

Step 2

Why this answer is correct

The correct answer is A. यह states diffusion और compression explain करता है / It explains states diffusion and compression. Particle model gives microscopic picture of matter. It explains many physical properties.

Step 3

Exam Tip

Particle model matter की microscopic picture देता है। इससे many physical properties explain होती हैं।

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Diffusion किस idea को support करता है?

Diffusion supports which idea?

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Correct Answer

A. particles move करते हैंParticles move

Step 1

Concept

Diffusion is evidence of continuous motion of particles. It is easily seen in gases and liquids.

Step 2

Why this answer is correct

The correct answer is A. particles move करते हैं / Particles move. Diffusion is evidence of continuous motion of particles. It is easily seen in gases and liquids.

Step 3

Exam Tip

Diffusion particles की continuous motion का evidence है। Gases और liquids में यह आसानी से दिखता है।

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Nature of matter Level 3 का final summary क्या है?

What is the final summary of Nature of matter Level 3?

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Correct Answer

A. matter को composition के आधार पर pure substances और mixtures में बाँटते हैंMatter is classified into pure substances and mixtures based on composition

Step 1

Concept

Pure substances have fixed composition and mixtures can have variable composition. Classification becomes easy through examples.

Step 2

Why this answer is correct

The correct answer is A. matter को composition के आधार पर pure substances और mixtures में बाँटते हैं / Matter is classified into pure substances and mixtures based on composition. Pure substances have fixed composition and mixtures can have variable composition. Classification becomes easy through examples.

Step 3

Exam Tip

Pure substances की composition fixed होती है और mixtures की composition variable हो सकती है। Examples से classification आसान होती है।

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भौतिक परिवर्तन में सामान्यतः क्या नहीं बदलता?

What generally does not change in a physical change?

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Correct Answer

B. chemical identity

Step 1

Concept

In physical change shape state or size may change. But chemical identity remains same.

Step 2

Why this answer is correct

The correct answer is B. chemical identity. In physical change shape state or size may change. But chemical identity remains same.

Step 3

Exam Tip

Physical change में shape state या size बदल सकता है। पर chemical identity वही रहती है।

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