Environment & Ecology · Environmental Science
Which one of the following is the correct sequence in the process of coalification (increasing rank of coal)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Lignite → Anthracite → Bituminous → Sub-bituminous
- 2Anthracite → Lignite → Bituminous → Sub-bituminous
- 3Lignite → Sub-bituminous → Bituminous → Anthracite✓
- 4Sub-bituminous → Bituminous → Anthracite → Lignite
Correct answer
Lignite → Sub-bituminous → Bituminous → Anthracite
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