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Matter In Our Surroundings

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Test Report

Matter In Our Surroundings

Q1. Liquids have

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ANS

Fixed volume & fixed shape

Fixed shape & no fixed volume

Fixed volume & no fixed shapes

Neither fixed volume nor fixed shape

Q2. Materials Existing as liquids have

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ANS

Boiling point & melting point above room temperature Boiling point & melting point below room temperature Boiling point above room temperature & melting point below room temperature None of these

Q3.

In which of these is intermolecular force of attraction maximum?

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ANS

Solids Liquids Gases Plasma particles

Q4. When we add sugar in water, particles of sugar disappear because they

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ANS

Are very small Get into the spaces between water particles Are moving Are colourless

Q5. One small crystal of potassium permagnate may contain particles

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ANS

More than 103

More than 104

More than 105

More than 106

Q6. Which of the following pairs will not exhibit diffusion

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ANS

Hydrogen, oxygen Oxygen-water Salt, sand Sugar crystal-water

Q7. Which of the following substances is not a solid

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ANS

Butter Glass Sponge Rubber band

Q8. Large volume of CNG is available in small cylinders to us due to its property of

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ANS

High inflammability Easy availability High compressibility Low density