Problem
Problem
| Column-I (Compounds) | Column-II (Use of compounds) |
|---|---|
| (A) Magnesium hydroxide | (P) As a purgative |
| (B) Barium sulphate | (Q) As a fertilizer |
| (C) Magnesium sulphate | (R) As a constituent of sorrel cement |
| (D) Calcium cyanamide | (S) As a constituent of lithopone |