MEDIUM
5th CBSE
IMPORTANT
Earn 100

The oxygen in air is needed for respiration and nitrogen controls burning. What is the importance of carbon dioxide? What would happen if carbon dioxide is removed from the air?

Important Questions on Air and Water

MEDIUM
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 1
We cannot feel air but we can see it.
MEDIUM
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 2
The change in weather takes place in stratosphere.
EASY
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 3
Water from wells and rivers is fit for consumption.
MEDIUM
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 4
The liquid moves up in the syringe due to humidity.
EASY
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 5
Chalk is an insoluble impurity.
EASY
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 6
Soluble impurities in water can be removed by evaporation.
MEDIUM
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 1
A fire cannot be lighted if there is no _____.
EASY
5th CBSE
IMPORTANT
Science in LIFE TODAY.>Chapter 8 - Air and Water>QUICK ASSIGNMENT>Q 3
Contamination of atmosphere causes _____ pollution.