Separation of Substances (CBSE (Central Board of Secondary Education- Board Exam) Class-6 Science): Questions 18 - 19 of 19

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Question number: 18

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

MCQ▾

Question

A mixture of sand and water is separated by the process of:

Choices

Choice (4) Response

a.

Decantation

b.

Evaporation

c.

Using magnets

d.

All a. , b. and c. are correct

Question number: 19

» 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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