Argon , Ammonia & Smoke

Total Questions: 8

1 - Which of these element is a noble gas?

A ) Oxygen
B ) Argon ✅
C ) Hydrogen
D ) Nitrogen

2 - Bhai noble gases are less reactive?

A ) Due to their complete octat ✅
B ) Less electronic configuration
C ) Due to low valency
D ) None of these

3 - Which gas is present in bulb?

A ) Nitrogen
B ) Hydrogen
C ) Argon ✅
D ) None of these

4 - In order to make nitrogen available to primary producers like plants in an ecosystem it is converted into----:
A ) Ammonia ✅
B ) Nitrites
C ) Nitrates
D ) Nitric acid

5 - Which of the following gases is used for refrigeration?

A ) Carbon dioxide
B ) Chlorine
C ) Ammonia ✅
D ) Phosphine

6 - Smoke from industries causes ------:
A ) Smog ✅
B ) Fog
C ) Mist
D ) None of

7 - Smog is caused by ----
A ) Smoke from factories
B ) Burn of bricks
C ) Bricklin
D ) All of these ✅

8 - Smoke is an example of-----:
A ) Solid in gas ✅
B ) Solid in liquid
C ) Solid in solid
D ) Gas in gas
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