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Question (1)

QN006562

Which method is commonly used to separate a solid dissolved in a liquid?

(A) Sedimentation
(B) Evaporation
(C) Filtration
(D) Sublimation

Correct Answer: B

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Question (2)

QN006563

Crystallization is mainly used to obtain:

(A) Impure solids
(B) Pure solid crystals
(C) Suspensions
(D) Colloids

Correct Answer: B

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Question (3)

QN006564

Which separation method is best suited for obtaining common salt from seawater?

(A) Sublimation
(B) Filtration
(C) Evaporation
(D) Centrifugation

Correct Answer: C

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Question (4)

QN006565

The process of cooling a saturated solution to obtain crystals is called:

(A) Distillation
(B) Crystallization
(C) Sedimentation
(D) Chromatography

Correct Answer: B

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Question (5)

QN006566

Crystals formed by slow cooling are generally:

(A) Small and impure
(B) Large and well-shaped
(C) Invisible
(D) Powdery

Correct Answer: B

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Question (6)

QN006567

Which method separates liquids based on difference in boiling points?

(A) Filtration
(B) Distillation
(C) Sublimation
(D) Sedimentation

Correct Answer: B

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Question (7)

QN006568

Distillation can separate miscible liquids effectively if their boiling points differ by at least:

(A) 5°C
(B) 10°C
(C) 25°C
(D) 50°C

Correct Answer: C

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Question (8)

QN006569

In distillation, the vapour is converted back into liquid inside the:

(A) Flask
(B) Funnel
(C) Condenser
(D) Burner

Correct Answer: C

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Question (9)

QN006570

Which process is used to separate acetone from water?

(A) Filtration
(B) Distillation
(C) Sublimation
(D) Sedimentation

Correct Answer: B

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Question (10)

QN006571

The boiling point of acetone is lower than water. Therefore during distillation acetone:

(A) Condenses first
(B) Evaporates first
(C) Freezes first
(D) Settles first

Correct Answer: B

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Question (1)

Which method is commonly used to separate a solid dissolved in a liquid?

Explanation:

Link:

Question (2)

Crystallization is mainly used to obtain:

Explanation:

Link:

Question (3)

Which separation method is best suited for obtaining common salt from seawater?

Explanation:

Link:

Question (4)

The process of cooling a saturated solution to obtain crystals is called:

Explanation:

Link:

Question (5)

Crystals formed by slow cooling are generally:

Explanation:

Link:

Question (6)

Which method separates liquids based on difference in boiling points?

Explanation:

Link:

Question (7)

Distillation can separate miscible liquids effectively if their boiling points differ by at least:

Explanation:

Link:

Question (8)

In distillation, the vapour is converted back into liquid inside the:

Explanation:

Link:

Question (9)

Which process is used to separate acetone from water?

Explanation:

Link:

Question (10)

The boiling point of acetone is lower than water. Therefore during distillation acetone:

Explanation:

Link:

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