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Which is used in preparation of dynamite ?

  • glycerol
  • ethyl alcohol
  • methyl alcohol
  • glycol

Answer: Option A

Similar Questions :

1. The most electropositive elements among the following is :

  • Cs
  • Ca
  • Na
  • Br

Answer: Option A

2. 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

3. The most abundant rare gas in the atmosphere is ?

  • He
  • Ne
  • Ar
  • Xe

Answer: Option C

4. Permanent hardness of water is due to the presence of ?

  • Magnesium bicarbonate
  • Calcium bicarbonate
  • Sodium bicarbonate
  • Calcium sulphate

Answer: Option D

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

  • carbon dioxide
  • nitrogen
  • oxygen
  • hydrogen

Answer: Option D

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