Question

Which one of the following black materials has highest carbon content

Answer 1

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Coal is very rich in carbon (anthracite contains 92–98%) and is the largestcommercial source of mineralcarbon, accounting for 4,000 gigatonnes or 80% of fossil fuel.

Answer 2

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$\huge\orange\bold{Anthracite}$ which is form of coal has highest carbon content about 90% .

Other forms of coal are

Bituminous .

Subbituminous .
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