MEDIUM
6th ICSE
IMPORTANT
Earn 100

Green plants need gas to prepare their food.

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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 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.
EASY
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q D

Air cannot be compressed.

EASY
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q D
Nitrogen is the major component of air.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q D
Various harmful gases spread in air.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q D
Polluted air is good for breathing.
MEDIUM
6th ICSE
IMPORTANT
It's All About Science Chemistry for Middle School 6>Chapter 5 - Air and Atmosphere>EXERCISE>Q D
Excess of dust particles helps us to have a good health.