Plaster of Paris is:

CHEMISTRY · Single correct · CBSE · Chemistry · Acids, Bases and Salts · Acids, Bases and Salts

Problem

Plaster of Paris is: (1)

\mathrm{CaSO_4}

(2)

\mathrm{CaSO_4\cdot7H_2O}

(3)

2\mathrm{CaSO_4\cdot H_2O}

(4)

\mathrm{CaSO_4\cdot2H_2O}