Question

Why is it easier to obtain a metal from its oxide rather than carbonate and sulphate?​

Answer 1

$\textbf{Answer :- }$

The metal from its oxide could be easily obtained by allowing it to react with a reducing agent ( $\textbf{ex : carbon}$ )

But if a metal is obtained from carbonate and sulphate by $\textbf{Calcination and Roasting }$ respectively.

But it requires energy, Thus the latter takes time to obtain the metal than the previous.

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