Heating mixture of Cu2O
and Cu2S
will give
(A) Cu+SO2
(B) Cu+SO3
(C) CuO+CuS
(D) Cu2O+S
Heating mixture of Cu2O
and Cu2S
will give
(A) Cu+SO2
(B) Cu+SO3
(C) CuO+CuS
(D) Cu2O+S

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B) 500-550 nm
C) 660-720 nm
D) 720-800 nm
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