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What happens when : (i)Cu(2)O undergoe...

What happens when :
(i)`Cu_(2)O` undergoes self reduction in a silica lined converter.
(ii) Haematite oxidises carbon to carbon monoxide.

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`Cu_(2)O` undergoes self-reduction to form blister copper
`2Cu_(2)O+Cu_(2)S to underset(("Bilister copper")) (6Cu+SO_(2))`
(ii) `Fe_(2)O_(3)+3C to 2Fe+3CO`
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