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Question (11)

QN002561

Water poured from one container into another changes its:

(A) Mass
(B) Colour
(C) Shape
(D) Volume

Correct Answer: C

Explanation:

Liquids take the shape of the container.

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Question (12)

QN002562

A liquid retains its volume because:

(A) Its particles remain close together
(B) It has no particles
(C) Its particles are fixed permanently
(D) It expands infinitely

Correct Answer: A

Explanation:

Liquid particles remain close despite movement.

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Question (13)

QN002563

Why can a finger move through water easily?

(A) Water particles are absent
(B) Water has no attraction between particles
(C) Interparticle attraction in liquids is weaker than in solids
(D) Water particles are fixed

Correct Answer: C

Explanation:

Liquid particles can move aside more easily.

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Question (14)

QN002564

The temperature at which a liquid changes into vapour at atmospheric pressure is called:

(A) Melting point
(B) Boiling point
(C) Sublimation point
(D) Freezing point

Correct Answer: B

Explanation:

Boiling point is the temperature at which liquid changes into vapour.

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Question (15)

QN002565

During boiling, bubbles form because:

(A) Air enters the liquid
(B) Vapour forms throughout the liquid
(C) The liquid freezes suddenly
(D) Particles stop moving

Correct Answer: B

Explanation:

Vapour forms rapidly throughout the liquid during boiling.

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Question (16)

QN002566

Evaporation can occur:

(A) Only at boiling point
(B) Only inside the liquid
(C) At all temperatures from the surface
(D) Only in closed vessels

Correct Answer: C

Explanation:

Evaporation occurs at all temperatures from the surface.

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Question (17)

QN002567

Which state of matter has negligible interparticle attraction?

(A) Solid
(B) Liquid
(C) Gas
(D) All have equal attraction

Correct Answer: C

Explanation:

Gas particles have negligible attraction.

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Question (18)

QN002568

Smoke spreads completely in a gas jar because gases:

(A) Have fixed volume
(B) Occupy all available space
(C) Have strongest attraction
(D) Cannot move freely

Correct Answer: B

Explanation:

Gases spread to fill all available space.

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Question (19)

QN002569

Gases do not have fixed shape because their particles:

(A) Are tightly packed
(B) Are fixed in position
(C) Move freely in all directions
(D) Are heavier than solids

Correct Answer: C

Explanation:

Gas particles move freely in all directions.

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Question (20)

QN002570

Which statement about gases is correct?

(A) They have fixed volume only
(B) They have fixed shape only
(C) They have neither fixed shape nor fixed volume
(D) They cannot flow

Correct Answer: C

Explanation:

Gases have neither fixed shape nor fixed volume.

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Question (11)

Water poured from one container into another changes its:

Explanation:

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Question (12)

A liquid retains its volume because:

Explanation:

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Question (13)

Why can a finger move through water easily?

Explanation:

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Question (14)

The temperature at which a liquid changes into vapour at atmospheric pressure is called:

Explanation:

Link:

Question (15)

During boiling, bubbles form because:

Explanation:

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Question (16)

Evaporation can occur:

Explanation:

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Question (17)

Which state of matter has negligible interparticle attraction?

Explanation:

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Question (18)

Smoke spreads completely in a gas jar because gases:

Explanation:

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Question (19)

Gases do not have fixed shape because their particles:

Explanation:

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Question (20)

Which statement about gases is correct?

Explanation:

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