Question

Match the compounds in column (a) with their uses in column (B).

Answer 1

(A) : $ZnO$ is used for zerox printing.

(B) : $ZnS$ containing traces of radium salt (1 part in 10 million parts) is used for luminous paints for the dials of watches.

(C) : $ZnS{O}_4$ is used as lithophone eye lotion.

(D) : $Zn$ is used for metallurgical extraction of $Ag$ (Precipitation of silver in cyanide process).