1.

Autoreduction process is used in the extraction ofA. Cu and HgB. Zn and HgC. Cu and AlD. Fe and Pb

Answer» Correct Answer - A
Auto-reduction process is used in the extraction Cu and Hg
`2Cu_(2)S+3O_(2) to 2Cu_(2)O+2SO_(2)`
`2Cu_(2)O+Cu_(2) S to 6Cu + SO_2 `
`2Hg S + 3O_(2) to 2HgO+2SO_(2)`
`2HgO overset(Delta)to2Hg +O_(2)`


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