Separation of Substances (CBSE Class-6 Science): Questions 1 - 5 of 19

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Question number: 1

» Separation of Substances » Methods of Separation » Combination of Methods of Separation

MCQ▾

Question

Distillation involves two processes

Choices

Choice (4) Response

a.

Filtration followed by condensation

b.

Evaporation followed by condensation

c.

Evaporation followed by decantation

d.

Sedimentation followed by decantation

Question number: 2

» Separation of Substances » Methods of Separation » Sedimentation, Decantation and Filtration

MCQ▾

Question

Sedimentation is defined as:

Choices

Choice (4) Response

a.

Process of separating insoluble solids from a liquid

b.

Process of removing insoluble solids from a liquid by using filter paper.

c.

Used to obtain a solid substance that has dissolved in water

d.

None of the above

Question number: 3

» Separation of Substances » Methods of Separation » Combination of Methods of Separation

MCQ▾

Question

A mixture of iron fillings, chalk powder and common salt will be separated by:

Choices

Choice (4) Response

a.

Using three methods of separation: magnetic separation, filtration and condensation

b.

Using three methods of separation magnetic separation, evaporation and condensation

c.

Using three methods of separation: magnetic separation, filtration and evaporation

d.

All of the above

Question number: 4

» Separation of Substances » Methods of Separation » Sedimentation, Decantation and Filtration

MCQ▾

Question

Different kinds of filters used for filtration are in everyday life are;

Choices

Choice (4) Response

a.

A wire mesh, a piece of muslin cloth

b.

A layer of sand

c.

A piece of cotton, strainer

d.

All a. , b. and c. are correct

Question number: 5

» Separation of Substances » Water and Its Properties » Saturated Solution

MCQ▾

Question

Effect of temperature on the solubility of a saturated solution is:

Choices

Choice (4) Response

a.

Solubility of a saturated solution increases with increase in temperature and decreases with decrease in temperature

b.

Solubility of a saturated solution has no effect with temperature

c.

Solubility of a saturated solution decreases with increase in temperature and increases with decrease in temperature

d.

All of the above

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