Green coal, in order to be burnt, must be (A) Heated sufficiently (B) Burnt in excess air (C) Heated to its ignition point (D) Burnt as powder

Green coal, in order to be burnt, must be
(A) Heated sufficiently
(B) Burnt in excess air
(C) Heated to its ignition point
(D) Burnt as powder
by

1 Answer

Answer :

(C) Heated to its ignition point
by

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