Q. Bright coal

(A) Contains more than 90% durain
(B) Contains more than 90% fussain
(C) Is non-coking
(D) Contains mainly vitrain & clarain and is generally coking

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✅ Correct Answer: (D) Contains mainly vitrain & clarain and is generally coking

Published by Ram Sharma ⭐ 193.88K Points at 14-May-2023 02:41 pm in Fuels And Combustion

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