WBCS.LIVE practice question

Plaster of Paris is produced by heating

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Graphite
  2. Gypsum
  3. Zinc
  4. Lead

Correct answer and explanation

Correct answer: Gypsum

Explanation: āœ… Correct Answer: B) Gypsum šŸ“š Explanation: Plaster of Paris is a quick-setting gypsum plaster consisting of a fine white powder (CaSO4 x 1/2 H2O). It is produced by heating gypsum rock to approximately 150 degrees Celsius to remove part of its water content. When mixed with water, it rehydrates and hardens back into a solid mass.