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CBSE Class 12 Chemistry 2020 Delhi Set 2 Solved Paper
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Question : 10
Total: 16
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
Solution:
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