Multiple choice

Lamp black, an amorphous form of carbon is prepared by

  1. heating kerosene oil in a limited supply of air

  2. heating wood in excess of air

  3. destructive distillation of coal

  4. heating coal in excess of air
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A Correct answer
Explanation

Lamp black, an amorphous form of carbon, is prepared by heating kerosene oil in a limited supply of air.

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