Gypsum consists of
A
H<sub>2</sub>S and CO<sub>2</sub>
B
CaSO<sub>4</sub> and H<sub>2</sub>O
C
Lime and H<sub>2</sub>O
D
CO<sub>2</sub> and calcium
Correct Answer: CaSO<sub>4</sub> and H<sub>2</sub>O