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Question

This gas has a rotten egg smell


A
Hydrogen sulphide
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B
Hydrogen
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C
Ammonia
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D
Oxygen
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Solution

The correct option is A Hydrogen sulphide
Correct answer - (c): Hydrogen sulphide

Hydrogen + Sulphur Hydrogen sulphide

Hydrogen sulphide formed has a rotten egg smell.

Other options:
  • Ammonia gas has a pungent smell.
  • Hydrogen gas is odourless.
  • Oxygen gas is odourless.


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