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Question

When wood is burnt in supply of oxygen, the residue obtained is .

A
limited
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B
excess
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C
charcoal
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D
peat
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Solution

The correct options are
A limited
C charcoal
When wood is burnt in a limited supply of oxygen, water and other volatile substances are removed. The residue obtained is called as charcoal. Heating in the limited supply of air is called anaerobic combustion.

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