NCERT Based General Studies (GS): Questions 3352 - 3357 of 3665

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Question number: 3352

» Science » Class-9 NCERT » Matter in Our Surroundings (States of Matter)

MCQ▾

Question

Any substance can exist in liquid state which has:

Choices

Choice (4) Response

a.

Strong intermolecular force between constituent particles

b.

Kinetic energy is sufficient enough for particles to move to and fro

c.

More intermolecular space than solids

d.

Both a. and b. are correct

Question number: 3353

» Science » Class-9 NCERT » Matter in Our Surroundings (States of Matter)

MCQ▾

Question

Any substances exist in gaseous form if:

Choices

Choice (4) Response

a.

It has negligible intermolecular forces

b.

It has large kinetic energy

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 3354

» Science » Class-9 NCERT » Matter in Our Surroundings (Can Matter Change Its State?)

MCQ▾

Question

Sublimation is used for:

Choices

Choice (4) Response

a.

Separating volatile substances from non-volatile substances

b.

Separating solids and liquids

c.

Separating liquids and gases

d.

None of the above

Question number: 3355

» Science » Class-9 NCERT » Matter in Our Surroundings (States of Matter)

MCQ▾

Question

Why cold drinks, spray cans, perfume bottles and deodorants are kept away from direct heat or sunlight?

Choices

Choice (4) Response

a.

Gases can be liquefied on cooling

b.

Change in volume of gas due to change of temperature is very high

c.

Because gases diffuse easily

d.

All of the above

Question number: 3356

» Science » Class-9 NCERT » Matter in Our Surroundings (States of Matter)

MCQ▾

Question

Liquids diffuse more easily than solids:

Choices

Choice (4) Response

a.

Liquids have only one free surface

b.

Because liquids have more kinetic energy

c.

Less intermolecular forces

d.

None of the above

Question number: 3357

» Science » Class-9 NCERT » Matter in Our Surroundings (States of Matter)

MCQ▾

Question

Solids have high density because:

Choices

Choice (4) Response

a.

Intermolecular space in solids is negligible and small

b.

Particles in solids are packed tightly

c.

They have strong intermolecular forces

d.

All of the above

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