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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 is used in preparation of dynamite ?

  • glycerol
  • ethyl alcohol
  • methyl alcohol
  • glycol

Answer: Option A

2. Which gas is used to manufacture vanaspati from vegetable oil is

  • carbon dioxide
  • nitrogen
  • oxygen
  • hydrogen

Answer: Option D

3. The most abundant element in the earth's crust is ?

  • Aluminium
  • Nitrogen
  • Silicon
  • Oxygen

Answer: Option D

4. Which acid is present in lemon ?

  • marlic acid
  • citric acid
  • lactic acid
  • tartaric acid

Answer: Option B

Explanation:

citric acid is present in lemon.

5. Which one is an organic Acid ?

  • Sulphuric
  • Citric
  • Nitric
  • Phosphoric

Answer: Option B

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