Question

Match the given compounds with their chemical formulas.

Column A	Column B
Blue vitriol	${\text{Na}}_{2}C{O}_3.10H_{2}O$
Washing soda	${\text{CaSO}}_4.2H_{2}O$
Plaster of Paris	${\text{CaSO}}_4.5H_{2}O$
Gypsum	${\text{CaSO}}_4.½H_{2}O$

Answer 1

Blue vitriol - ${\text{CaSO}}_4.5H_{2}O$

Washing soda - ${\text{Na}}_{2}C{O}_3.10H_{2}O$

Plaster of Paris - ${\text{CaSO}}_4.½H_{2}O$

Gypsum - ${\text{CaSO}}_4.2H_{2}O$