Q. Coking coals are invariably

  • (A) Lignites
  • (B) Bituminous coals
  • (C) Semi-anthracites
  • (D) Anthracites
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✅ Correct Answer: (B) Bituminous coals

Published by Ram Sharma ⭐ 193.88K Points at 14-May-2023 03:00 pm in Fuels And Combustion

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