The number of water molecules in gypsum, dead burnt plaster and plaster of paris, respectively are:

Question

The number of water molecules in gypsum, dead burnt plaster and plaster of paris, respectively are: (A) 2, 0 and 1 (B) 0.5, 0 and 2 (C) 5, 0 and 0.5 (D) 2, 0 and 0.5

Tardigrade Admin · Accepted Answer

Gypsum CaSO 4 .2 H 2 O Plaster of Paris CaSO 4 .(1/2) H 2 O Dead burnt plaster CaSO 4

Q. The number of water molecules in gypsum, dead burnt plaster and plaster of paris, respectively are:

2, 0 and 1

0.5, 0 and 2

5, 0 and 0.5

2, 0 and 0.5

Gypsum $C a S O_{4} .2 H_{2} O$

Plaster of Paris $C a S O_{4} . \frac{1}{2} H_{2} O$

Dead burnt plaster $C a S O_{4}$

Gypsum	$C a S O_{4} .2 H_{2} O$
Plaster of Paris	$C a S O_{4} . \frac{1}{2} H_{2} O$
Dead burnt plaster	$C a S O_{4}$