1. Tardigrade
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  3. Chemistry
  4. Among following compounds, the number of those present in copper matte is A. CuCO 3 B. Cu 2 S C. Cu 2 O D. FeO

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Q. Among following compounds, the number of those present in copper matte is ___
A. $CuCO _3$
B. $Cu _2 S$
C. $Cu _2 O$
D. $FeO$

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Solution:

$FeS$ and $Cu _2 S$, present in copper matte.