Question

Match List I (Compounds) with List II (Associated Uses).

Answer 1

(A) $K{O}_2$ (Potassium superoxide) is used in space capsules, submarines and breathing masks as it removes $C{O}_2$ and produces $O_2$
$4K{O}_2+2C{O}_2\to 2K_{2}C{O}_3+3O_2$
(B) Sodium hydrogen carbonate $NaHC{O}_3$ is used in the preparation of baking powder.
(C) Lithium chloride $LiCl$ is used for humidity control.
(D) Cesium metal (Cs) is used form photovoltaic cell.