. Assertion: Charcoal has equal heating power than wood
Reason: Charcoal burna without producing flame or smoke.
Best Answer
Answer ||| d
Solution ||| Charcoal has twice heating power than wood. The wood is heated and changed to charcoal. Charcoal burns without producing flame or smoke. It is used in medicine, iron and steel industry and for absorbing impurities of air and water.
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