A chemical compound X is prepared by heating gypsum. It is white powder and used as a fire proofing material Compound X is:

Correct option is A

The correct answer is option (a) Plaster of Paris

Plaster of Paris is prepared by heating gypsum to remove water of crystallization .It is widely used in construction, fireproofing, medical applications, and art.

Information Booster :-

• Sodium Hydroxide: A strong alkali  not related to gypsum.
  
• Washing Soda: Sodium carbonate decahydrate  used in cleaning.
  
• Baking Soda: Sodium bicarbonate used in baking and as an antacid.