Multiple choice

Put in descending order of content of fixed carbon I. Antracite II. Peat III. Lignite IV. Bituminous coal

  1. IV, II, III, I

  2. I, II, III, IV

  3. I, IV, III, II

  4. IV, III, II, I
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C Correct answer
Explanation

The carbon content in coal increases with the degree of metamorphism: Peat (lowest) < Lignite < Bituminous < Anthracite (highest).

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