Question

Match Column-I with Column-II.

Answer 1

Calcium (Ca) is found as carbonates, $CaC{O}_3$.

Zinc(Zn) is found as its sulphide$ZnS$, carbonate $ZnC{O}_3$ and oxide $ZnO$.

Chrominum(Cr) is found as its oxide $C{r}_2{O}_3$.

Silver (Ag) is found in its native state i.e. $Ag$.