1.

Which of the following reactions is called roasting?

Answer»

`ZnCO_3(s ) overset(Delta )(to) ZNO(s) + CO_2(g)`
`2ZnS(s) + 3O_2(g) overset(Delta)(to)2ZnO(s) + 2SO_2(g)`
`ZnO(s) + C(s) overset(Delta)(to) ZN(s) + CO(g)`
`Zn(s) + H_2O(g) overset(Delta)(to) ZnO(s)+H_2(g)`

SOLUTION :`2ZnS(s) + 3O_2(g) overset(Delta)(to)2ZnO(s) + 2SO_2(g)`


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