

MCQOPTIONS
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1. |
Matte contains mainly [KCET 2000] |
A. | \[C{{u}_{2}}S\]and \[FeS\] |
B. | \[CuS\]and \[F{{e}_{2}}{{S}_{3}}\] |
C. | \[Fe\] |
D. | \[C{{u}_{2}}S\] |
Answer» E. | |