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Which of the following statements are co...

Which of the following statements are correct?

A

A depressant prevents certain type of particle to come to the froth.

B

Copper matte contains `Cu_2 S` and ZnS.

C

The solidified copper obtained from reverberatory furnace has blistered appearance due to evolution of `SO_2` during the extraction.

D

Zinc can be extracted by self-reduction.

Text Solution

Verified by Experts

The correct Answer is:
A, C
a,c
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