In coal washeries, three products namely the valuable product (i.e. clean/washed

Question

In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced.

Options:

A . Concentrate

B . Tailing

C . Middling

D . None of these

Answer: Option C

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