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Q: Gypsum consist of
  • A. H₂O and CO₂
  • B. CaSO₄ and H₂O
  • C. Lime and H₂O
  • D. CO₂ and calcium
Correct Answer: Option B - Gypsum consist of CaSO₄ and H₂O. Gypsum is a white or grey coloured inorganic compound that is made up of hydrated calcium and sulphate ions.
B. Gypsum consist of CaSO₄ and H₂O. Gypsum is a white or grey coloured inorganic compound that is made up of hydrated calcium and sulphate ions.

Explanations:

Gypsum consist of CaSO₄ and H₂O. Gypsum is a white or grey coloured inorganic compound that is made up of hydrated calcium and sulphate ions.