Explain the process of threshing.

Important Questions on Separation of Substances

MEDIUM

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Exercises>Q V

Which methods are employed during purification of an impure sample of common salt?

EASY

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Exercises>Q V

What is the difference between homogeneous and heterogeneous mixtures?

EASY

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Exercises>Q VI

What do you mean by mixture? Why do we separate different components of a mixture? Give at least two examples.

EASY

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Exercises>Q VI

What do you mean by the term solubility? How does the solubility of common salt in water changes with an increase in temperature?

EASY

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Exercises>Q VI

What is meant by a supersaturated solution? How is the solubility of a solid affected with stirring and by the nature of the substance?

EASY

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Exercises>Q VI

Briefly explain the method used to separate two immiscible liquids.

MEDIUM

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Higher Order Thinking Skills>Q 1

A sample of water boils at $105$ °C and has a salty taste. What do you infer from this statement?

MEDIUM

6th CBSE

IMPORTANT

Frank Experience Science>Chapter 5 - Separation of Substances>Higher Order Thinking Skills>Q 2

You are given a sample of a white, powdered substance. It can be chalk powder or common salt. Without tasting it, how will you identify it?