NCERT Based General Studies (GS): Questions 3364 - 3369 of 3450

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Question number: 3364

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

MCQ▾

Question

Liquids are called as fluids:

Choices

Choice (4) Response

a.

Intermolecular space in liquids is greater than that in solids

b.

Because liquids are less rigid and are capable of flowing from one place to another

c.

Liquids have only one free surface

d.

None of the above

Question number: 3365

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

MCQ▾

Question

Which states of matter has no rigidity, less density, no free surface and negligibly intermolecular force:

Choices

Choice (4) Response

a.

Solids

b.

Gaseous

c.

Liquid

d.

None of the above

Question number: 3366

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

MCQ▾

Question

Heat, which is gained or lost when a substance changes from one physical state to another without any change in temperature, is called as:

Choices

Choice (4) Response

a.

Hidden heat

b.

Latent heat

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 3367

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

MCQ▾

Question

We perspire more in summer

Choices

Choice (4) Response

a.

To maintain a steady temperature of the body

b.

To cool our body

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 3368

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

MCQ▾

Question

Melting point of a solid is the indication of the:

Choices

Choice (4) Response

a.

Is a bulk phenomenon

b.

Strength of the force of attraction between its particles

c.

Increase in the kinetic energy of its particles

d.

None of the above

Question number: 3369

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

MCQ▾

Question

Solids do not spontaneously mix with each other because:

Choices

Choice (4) Response

a.

They are rigid

b.

They have definite volume, shape and mass

c.

Due to less intermolecular space between them

d.

Intermolecular attraction in solids is very large

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