NCERT Based General Studies (GS): Questions 3388 - 3394 of 4138

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Question number: 3388

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Separating the Components of a Mixture)

MCQ▾

Question

Distillation is used for the separation of:

Choices

Choice (4) Response

a.

Volatile liquid from non-volatile component

b.

Two immiscible liquids

c.

Two miscible liquids

d.

None of the above

Question number: 3389

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Separating the Components of a Mixture)

MCQ▾

Question

Technique used to purify solids is:

Choices

Choice (4) Response

a.

Evaporation

b.

Crystallisation

c.

Sublimation

d.

Question does not provide sufficient data or is vague

Question number: 3390

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Solution)

MCQ▾

Question

When two liquids completely mix in all proportions to form a solution the liquids are considered to be:

Choices

Choice (4) Response

a.

Miscible

b.

Aqueous solution

c.

Non-aqueous solution

d.

Immiscible

Question number: 3391

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Separating the Components of a Mixture)

MCQ▾

Question

Chromatography used for the separation of components of the mixtures available in minute amounts:

Choices

Choice (4) Response

a.

Absorption chromatography

b.

Paper chromatography

c.

Both a. and b. are correct

d.

None of the above

Question number: 3392

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Separating the Components of a Mixture)

MCQ▾

Question

Sublimation of ammonium chloride and magnetising a piece of iron is a:

Choices

Choice (4) Response

a.

Physical change

b.

Chemical change

c.

None of the above

d.

All of the above

Question number: 3393

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Separating the Components of a Mixture)

MCQ▾

Question

To separate different gases from air we use:

Choices

Choice (4) Response

a.

Fractional distillation

b.

Sublimation

c.

Crystallisation

d.

None of the above

Question number: 3394

» Science » Class-9 NCERT » Is Matter Around Us Pure? (Separating the Components of a Mixture)

MCQ▾

Question

Cream from milk can be separated by the method of:

Choices

Choice (4) Response

a.

Separating funnel

b.

Centrifugation

c.

Sublimation

d.

All of the above

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