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Which one is an organic Acid ?

  • Sulphuric
  • Citric
  • Nitric
  • Phosphoric

Answer: Option B

Similar Questions :

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

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

Answer: Option D

2. Alloys made with mercury as one metal are called ?

  • mixtures
  • emulsions
  • solders
  • amalgams

Answer: Option D

3. Air contains maximum amount of

  • oxygen
  • nitrogen
  • hydrogen
  • carbon dioxide

Answer: Option B

4. Biogas majorly contains ?

  • Ethane
  • Methane
  • Hydrogen
  • CO

Answer: Option B

5. What among following is used to produce artificial rain ?

  • copper oxide
  • carbon monoxide
  • silver iodide
  • silver nitrate

Answer: Option C

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