Multiple choice

Which of the following varieties of coal has the highest carbon content?

  1. Peat

  2. Anthracite

  3. Lignite

  4. Bituminous
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B Correct answer
Explanation

Anthracite is a hard, compact variety of coal that has a sub-metallic lustre. It has the highest carbon content, the fewest impurities and the highest calorific content of all types of coal. The carbon content is between 92.1% - 98% . In lignite, the carbon content is 25-35%. Bituminous contains 60-80% carbon. In peat, the carbon content is less than 60%.

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