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. (A) Concentrate (B) Tailing (C) Middling (D) None of these

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.
(A) Concentrate
(B) Tailing
(C) Middling
(D) None of these
by

1 Answer

Answer :

(C) Middling
by

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