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Which of the following reaction is an ex...

Which of the following reaction is an example of reduction of calcined or roasted or into metal?

A

`"Bauxite ore"+Na_(2)CO_(3) overset("fused")to NaAlO_(2)`

B

`Ag_(2)S+NaCN Leftrightarrow Na[Ag(CN)_(2)]+Na_(2)S`

C

`ZnO+C to Zn+CO`

D

`CuSO_(4)(aq.)+underset("dust")(Zn) to ZnSO_(4)+Cu`

Text Solution

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The correct Answer is:
C
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