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Question (11)

QN006472

Which statement is correct for a saturated solution?

(A) It dissolves unlimited solute
(B) It cannot dissolve more solute at given temperature
(C) It always contains water
(D) It is always dilute

Correct Answer: B

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Question (12)

QN006473

Solubility of most solid solutes in liquids generally:

(A) Decreases with rise in temperature
(B) Remains constant
(C) Increases with rise in temperature
(D) Becomes zero at high temperature

Correct Answer: C

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Question (13)

QN006474

Solubility of gases in liquids generally:

(A) Increases with temperature
(B) Decreases with temperature
(C) Remains unaffected
(D) First increases then decreases

Correct Answer: B

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Question (14)

QN006475

Which process is used to obtain pure solid crystals from a saturated solution?

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

Correct Answer: C

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Question (15)

QN006476

A crystal is defined as a solid having particles arranged in a:

(A) Random pattern
(B) Zig-zag structure
(C) Regular geometric pattern
(D) Circular arrangement

Correct Answer: C

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Question (16)

QN006477

During crystallization, slow cooling produces crystals that are generally:

(A) Smaller and impure
(B) Larger and well-shaped
(C) Invisible
(D) Sticky

Correct Answer: B

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Question (17)

QN006478

In crystallization of copper sulfate, sulfuric acid is added mainly to:

(A) Increase boiling point
(B) Add colour
(C) Prevent unwanted reactions
(D) Reduce solubility

Correct Answer: C

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Question (18)

QN006479

Which process is used to separate two miscible liquids having sufficient difference in boiling points?

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

Correct Answer: B

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Question (19)

QN006480

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

(A) 5°C
(B) 10°C
(C) 25°C
(D) 50°C

Correct Answer: C

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Question (20)

QN006481

In distillation, vapours are converted back to liquid by:

(A) Heating
(B) Sublimation
(C) Cooling
(D) Filtration

Correct Answer: C

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Question (11)

Which statement is correct for a saturated solution?

Explanation:

Link:

Question (12)

Solubility of most solid solutes in liquids generally:

Explanation:

Link:

Question (13)

Solubility of gases in liquids generally:

Explanation:

Link:

Question (14)

Which process is used to obtain pure solid crystals from a saturated solution?

Explanation:

Link:

Question (15)

A crystal is defined as a solid having particles arranged in a:

Explanation:

Link:

Question (16)

During crystallization, slow cooling produces crystals that are generally:

Explanation:

Link:

Question (17)

In crystallization of copper sulfate, sulfuric acid is added mainly to:

Explanation:

Link:

Question (18)

Which process is used to separate two miscible liquids having sufficient difference in boiling points?

Explanation:

Link:

Question (19)

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

Explanation:

Link:

Question (20)

In distillation, vapours are converted back to liquid by:

Explanation:

Link:

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