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Which gas is used in fire extinguishers ?

  • Carbon dioxide
  • Nitrogen oxide
  • Carbon monoxide
  • Sulpher dioxide

Answer: Option A

Similar Questions :

1. The single acid which dissolves gold is ?

  • Aqua regia
  • Hydrochloric acid
  • Nitric acid
  • Selenic acid

Answer: Option A

2. The oxide of Nitrogen used in medicine as anaesthetic is ?

  • Nitrogen pentoxide
  • Nitrous oxide
  • Nitric oxide
  • Nitrogen dioxide

Answer: Option A

3. Air contains maximum amount of

  • oxygen
  • nitrogen
  • hydrogen
  • carbon dioxide

Answer: Option B

4. The metallurgical process in which a metal is obtained in a fused state is called ?

  • roasting
  • calcinations
  • smelting
  • froth floatation

Answer: Option C

5. Rare gases are

  • mono atomic
  • di atomic
  • tri atomic
  • None of above

Answer: Option A

Explanation:

Rare gases are mono atomic.

Read more from - Chemistry Questions Answers
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