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Which of the following gases is the most toxic?

  • Carbon dioxide
  • Sulphur dioxide
  • Carbon monoxide
  • Acetic acid

Answer: Option C

Similar Questions :

1. Which gas is used in fire extinguishers ?

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

Answer: Option A

2. Which is used in preparation of dynamite ?

  • glycerol
  • ethyl alcohol
  • methyl alcohol
  • glycol

Answer: Option A

3. The ejection of electrons when a metal surface is irradiated is known as

  • Black body radiation
  • Photoelectric effect
  • Zeeman effect
  • Atomic spectrum

Answer: Option B

4. Chemical used in photography is

  • sodium sulphate
  • sodium sulphite
  • sodium thiosulphate
  • sodium oxalate

Answer: Option C

5. Aspirin is

  • acetyl salicylic acid
  • sodium salicylate
  • methyl salicylate
  • ethyl salicylate

Answer: Option A

Read more from - Chemistry Questions Answers
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