MEDIUM
6th CBSE
IMPORTANT
Earn 100

A. Add a teaspoon of salt to half a beaker of water.
Transfer the mixture into a dish and let the water evaporate.

B. Similarly, make a mixture of alum and water.
Let the water evaporate.

Question Image

What remains in dishes 'A' and 'B' when the water evaporates completely?

Important Questions on Separation of Substances

EASY
6th CBSE
IMPORTANT

A. Add a teaspoon of salt to half a beaker of water.
Transfer the mixture into a dish and let the water evaporate.

B. Similarly, make a mixture of alum and water.
Let the water evaporate.

Question Image

Were you able to recover all the salt from A and B that was dissolved in the water?

EASY
6th CBSE
IMPORTANT
Kerosene and water can be separated from the mixture by
EASY
6th CBSE
IMPORTANT
Tiny stones can be removed from wheat by
EASY
6th CBSE
IMPORTANT
An insoluble solid substance can be separated from a liquid by
EASY
6th CBSE
IMPORTANT
Extremely small suspended particles can be separated from a liquid by
EASY
6th CBSE
IMPORTANT
Birds separate grains from the soil by
EASY
6th CBSE
IMPORTANT
Salt dissolved in water can be separated by
MEDIUM
6th CBSE
IMPORTANT

Classify the following as pure substances and mixtures.
• air • milk • water vapour • baking soda • tap water • soil • pineapple juice • gold • seawater • lemonade • sugar • iron • alum crystal • oxygen • silver • petroleum.