Why does the quantity of various substances dissolving in water vary? Give an example.

Important Questions on Separation of Substances

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q F

How can the solubility of a substance be increased?

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q G

Distinguish between evaporation and condensation.

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q G

You are given a mixture of flour, bran and sand. How will you separate all the three components from this mixture? Name the methods which can be used to separate the constituents of the mixture.

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q G

What are the different methods used to separate solid-solid mixture?

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q G

What is saturated solution? With the help of an example, explain how you can prepare a saturated solution.

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q H

You are given a bowl containing a mixture of iron filings and sand. You need to separate the iron filings from the mixture. Name the item you would use to separate the iron filings. What would you name the method? (Hint: The properties of iron can be used for separation and it is similar to attraction of substances.)

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q H

What would happen if evaporation did not take place at all? (Hint: Recall the process of evaporation and its uses.)

MEDIUM

6th CBSE

IMPORTANT

Science Now 6>Chapter 3 - Separation of Substances>EXERCISE>Q I

Name the methods you would use to separate the components from the following mixtures:

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