What is the solid residue that remains after heating of coal in the absence of air? Options: A . &nbspResin B . &nbspCoke C . &nbspPowder D . &nbspWhisker

What is the solid residue that remains after heating of coal in the absence of a

Question

What is the solid residue that remains after heating of coal in the absence of air?

Options:

A . Resin

B . Coke

C . Powder

D . Whisker

Answer: Option B
Answer: (b).Coke

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