Q. Lignite - which is also known as brown coal-contains carbon upto the extent of: ?

(A) 30%
(B) 70%
(C) 95%
(D) none of the above

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✅ Correct Answer: (B) 70%

Published by Vikash Gupta ⭐ 33.56K Points at 23-Feb-2025 04:44 pm in Geotechnical Engineering

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