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प्रश्न
Name the different types of coal with their carbon content.
टिप्पणी लिखिए
उत्तर
- Anthracite: contains 80 to 90% Carbon
- Bituminous: contains 60 to 80% Carbon
- Lignite : 40 to 60% Carbon
- Peat: Contains less than 40% Carbon
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