CBSE Class 12 Chemistry 2020 Delhi Set 2 Solved Paper - Question ...

CBSE Class 12 Chemistry 2020 Delhi Set 2 Solved Paper

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Question : 10 of 16

Marks: +1, -0

Copper matte contains

${\Cu}_2 {\S}, {\Cu}_2 {\O}$ and silica
${\Cu}_2 {\S}, {\CuO}$ and silica
${\Cu}_2 {\S}, {\FeO}$ and silica
${\Cu}_2 {\S}, {\FeS}$ and silica

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