MEDIUM
6th ICSE
IMPORTANT
Earn 100

Nitrogen is necessary for _____.

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Important Questions on Air and Atmosphere

MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q A
Air pollution is largely due to _____.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q A
Some new car engines made to avoid air pollution use _____. 
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q B
Air is a _____ of gases.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q B
The supporter of combustion in air is _____.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q B
Green plants need _____ gas to prepare their food.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q B
Air is useful to man in _____ (one/many) ways.
HARD
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q C

Match Column A with Column B-

Column A Column B
1. Oxygen  a. plants use to make their food
2. Nitrogen b. helps in burning
3. Carbon dioxide c. needed for the growth of plants
4. Water vapour d. 1% of the total composition of air
5. Other gases and dust particles in air e. accounts for the humidity of the air

 

 

MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q D
Air is a compound of different gases.