Consider the following chemical compounds with their common names:

  1. Blue vitriol→ Copper sulphate
  2. Caustic soda→ Sodium bicarbonate
  3. Chile saltpeter→ Sodium nitrate
  4. Gypsum→ Calcium carbonate

Which of the above is/are correctly matched?

Answer: [C] Only 1 & 3

Caustic soda→ Sodium hydroxide
Gypsum→ Calcium sulfate dihydrate

This question is a part of GKToday's Integrated IAS General Studies Module