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Madhya Pradesh Police Exam Model Paper 6
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© examsnet.com
Question : 96
Total: 101
The best-quality hard coal that contains 80% to 95% carbon is ________.
peat
lignite
bituminous
anthracite
Validate
Solution:
The correct answer is
anthracite
.
Coal
is classified mainly into three types
lignite, bituminous, and anthracite
.
Anthracite
- It is considered to be the highest quality coal as it contains 94 to 98 per cent carbon content.
Bituminous
- It contains 78 to 86 per cent carbon content. It is a solid sedimentary rock, which is black or dark brown in colour.
Lignite
- It contains 28 to 30 per cent carbon content. It is used to generate electrical energy.
This coal is brown in colour.
Peat
- This is the first step in the formation of coal. It has less than 27 per cent of carbon content.
Peat deposits are gradually changed to lignite coal.
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