EASY
4th CBSE
IMPORTANT
Earn 100

Chemicals like chlorine, bleaching powder or potassium permanganate are added to the water to make it 

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Important Questions on Air, Water and Weather

EASY
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q A
The process of filtration is used to remove
EASY
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q A
The continuous flow of water in nature is called
MEDIUM
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q B
Name the factors that affect the weather of a place?
MEDIUM
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q B
What causes a change in the weather?  
MEDIUM
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q B
Name the processes involved in the water cycle. 
MEDIUM
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q B
What is humidity?
MEDIUM
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q C
State four factors that affect the evaporation of water. 
MEDIUM
4th CBSE
IMPORTANT
Science In Life Today 4>Chapter 12 - Air, Water and Weather>EXERCISES>Q C
Explain the methods by which insoluble impurities can be removed from the water.