Match the following

Answer

A-qs; B-qs; C-pr; D-s

Explanation

A) `CO_(2)` & B) `SO_(2)` - turns lime water milky, gives a white precipitate with a `BaCl_(2)` solution
C) `H_(2)S` - gives a black precipitate with a lead acetate solution, turns alkaline nitroprusside violet
D) `SO_(4)^(2-)` - gives a white precipitate with a `BaCl_(2)` solution