Multiple choice

Which of the following is chemical formula of Plaster of Paris?

  1. NaOH

  2. CaOCl2

  3. CaSO4.1/2H2O

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Plaster of Paris is calcium sulfate hemihydrate, written as CaSO4.1/2H2O. It is produced by heating gypsum.