Calcination of iron ores is done (A) To remove moisture (B) To remove carbonic acid (C) By roasting in heaps (D) All the above

Calcination of iron ores is done
(A) To remove moisture
(B) To remove carbonic acid
(C) By roasting in heaps
(D) All the above
by

1 Answer

Answer :

Answer: Option D
by

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