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  4. Heating mixture of Cu2O and Cu2S will give

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Q. Heating mixture of $Cu_{2}O$ and $Cu_{2}S$ will give

NTA AbhyasNTA Abhyas 2022

Solution:

$Cu_{2}S+2Cu_{2}O \rightarrow 6Cu+SO_{2}$ (Auto-reduction).
This reaction occurs in reverberatory furnace to get metallic copper.