Separation of Substances-Why Do We Separate Substances? (CBSE Class-6 Science): Questions 1 - 2 of 2

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Question number: 1

» Separation of Substances » Why Do We Separate Substances? » To Remove Impurities

MCQ▾

Question

It is necessary to separate substances to:

Choices

Choice (4) Response

a.

Removing the unwanted components

b.

For removing impurities

c.

Separating two components

d.

All a. , b. and c. are correct

Question number: 2

» Separation of Substances » Why Do We Separate Substances? » To Separate Out Mixture of Substances

MCQ▾

Question

Some physical properties which are used to separate mixtures are:

Choices

Choice (4) Response

a.

Solubility, size of particles

b.

Hardness, density, boiling point

c.

Behaviour towards magnet volatility

d.

All a. , b. and c. are correct

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