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Question
The superior quality coal is called ________.
The superior quality coal is called ________.
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Solution
The correct option is C Anthracite
The most superior quality coal
is anthracite. It has highest carbon content with 92.1% to 98% carbon. It ignites
with difficulty and burns with smoke. China accounts for major production worldwide.
It has fewest impurities and highest calorific value after graphite.
The most superior quality coal is anthracite. It has highest carbon content with 92.1% to 98% carbon. It ignites with difficulty and burns with smoke. China accounts for major production worldwide. It has fewest impurities and highest calorific value after graphite.
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