Question

Identify the correct statement
(a) gypsum is obtained by heating plaster of
Paris
(b) plaster of Paris can be obtained by
hydration of gypsum
(c) plaster of paris is obtained by partial
oxidation of gypsum
(d) gypsum contains a lower percentage of
calcium than plaster of Paris

Answer 1

Answer:

gypsum is obtained by heating plaster of paris

CaS04.1/2H20+1 1/2H20 on heating it gives CaS04.2H20