1.

Out of Cu_(2)S, HgS, Ag_(2)S and ZnS roasting will convert the minerals into metal in case of

Answer»

`Cu_(2)S, ZNS`
`HgS, ZnS`
`Cu_(2)S, Ag_(2)S`
`HgS, Ag_(2)S`

Answer :D


Discussion

No Comment Found