Solutions, Mixtures And Separation Methods Test

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Solutions, Mixtures And Separation Methods Test - 1

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Weekly Quiz Competition

Question 1
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Which of the following statements is true about mixtures?

A
A simple mixture involves the combination of solids only.

B
A simple mixture involves the combination of liquids only.

C
A simple mixture involves the combination of gases only.

D
A simple mixture may involve various combinations of solids, liquids and gases.
Question 2
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Which of the following substances is an element?

A
Marble

B
Graphite

C
Baking soda

D
Stone
Question 3
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Which of the following substances falls under the category of mixtures?

A
Milk

B
Ice

C
Iron

D
Calcium oxide
Question 4
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Which of the following options is a heterogeneous mixture?

A
NaCl in water

B
Iodine in CCl₄

C
Alcohol and water

D
Sulphur in water
Question 5
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Components of air can be separated from one other with the help of

A
Crystallization

B
Chromatography

C
Centrifugation

D
Fractional distillation
Question 6
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Kerosene, petrol and diesel etc are obtained from the crude oil with the help of

A
Evaporation

B
Crystallization

C
Distillation

D
Fractional distillation
Question 7
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Separation of two liquids by fractional distillation depends upon which property of the liquids?

A
Viscosity

B
Acidity

C
Solubility

D
Boiling point
Question 8
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Which of the following papers is used in separating a mixture of coloured material?

A
Filter paper

B
Ordinary paper

C
Chromatographic paper

D
Micro filter paper
Question 9
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The impure common salt obtained from sea-water is purified with the help of

A
sublimation

B
evaporation

C
distillation

D
crystallization
Question 10
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Which of the following methods is used in washing machines to dry clothes?

A
Evaporation

B
Centrifugation

C
Distillation

D
Chromatography

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Solutions, Mixtures And Separation Methods Test - 1

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Solutions, Mixtures And Separation Methods Test - 1

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Question 1

A simple mixture involves the combination of solids only.

A simple mixture involves the combination of liquids only.

A simple mixture involves the combination of gases only.

A simple mixture may involve various combinations of solids, liquids and gases.

Question 2

Marble

Graphite

Baking soda

Stone

Question 3

Milk

Ice

Iron

Calcium oxide

Question 4

NaCl in water

Iodine in CCl4

Alcohol and water

Sulphur in water

Question 5

Crystallization

Chromatography

Centrifugation

Fractional distillation

Question 6

Evaporation

Crystallization

Distillation

Fractional distillation

Question 7

Viscosity

Acidity

Solubility

Boiling point

Question 8

Filter paper

Ordinary paper

Chromatographic paper

Micro filter paper

Question 9

sublimation

evaporation

distillation

crystallization

Question 10

Evaporation

Centrifugation

Distillation

Chromatography

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Iodine in CCl₄