Question

Match the following and select correct answer.

| (a) CaSO4.1/2H2O | (1) Gypsum |
| (b) CaSO4. 2H2O | (2) Washing soda |
| (c) Na2CO3.10H2O | (3) Plaster of Paris |

(A) a -1, b -3, c -2

(B) a -3, b -2, c -1

(C) a -3, b -1, c -2

Answer 1

(C) a -3, b -1, c -2.