1.

Select incorrect reduction process in respective extraction of an element :

Answer»

`8 Al + 3Mn_(3) O_(4) OVERSET(Delta)to 4Al_(2)O_(3) + 9Mn`
`2ZnS + C overset(Delta)to 2Zn + CS_(2)`
`FeO + C overset(Delta)to Fe + CO`
`2[Ag(CN)_(2)]^(-) + Zn to [Zn(CN)_(4)]^(2-) + 2Ag`

SOLUTION :ZnS first roasted i.e. BURNT to form ZnO


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