Which of the following processes involves the smelting process?

Z n C O_{3} \to Z n O + C O_{2}

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2 P b S + 3 O_{2} \to 2 P b O + 2 S O_{2}

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F e_{2} O_{3} + 3 C \to 2 F e + 3 C O

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A l_{2} O_{3} .2 H_{2} O \to A l_{2} O_{3} + 2 H_{2} O

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Solution

The correct option is C $F e_{2} O_{3} + 3 C \to 2 F e + 3 C O$
In smelting, Iron ore is reduced to iron.
$F e_{2} O_{3} + 3 C \to F e + 3 C O$

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