Question

The other name of lamp black is

• A. coke
• B. charcoal
• C. soot
• D. gas carbon

Answer 1

The correct option is C

soot

Explanation of the correct option:

• The other name of lampblack is soot.
• It is an amorphous allotrope of Carbon.

Explanation of the incorrect option:

• The residue left after the destructive distillation of coal is called coke. Coke burns without smoke. This makes it a good fuel as it creates less pollution.
• When dead organic matter is subjected to heating in the absence of air, charcoal is obtained. It is a soft, brittle and porous solid.
• After the destructive distillation of coal, a thick deposit is left on the sides and roof of the container. It is called gas carbon.

Therefore, option (c) is correct.