Argon, Ammonia & Smoke

Total Questions: 8

1 - Which of these element is a noble gas?

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

2 - Why noble gases are less reactive?

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

3 - Which gas is present in the 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 converted into----:
A ) Ammonia ✅
B ) Nitrites
C ) Nitrates
D ) Nitric acid

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

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

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

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

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