JAMB Chemistry 2009 Question 35

Question 35

Carbon and its Compounds

Which of the allotrope of carbon is a constituent of a lead pencil?

  1. A.Graphite
  2. B.Diamond
  3. C.Lampblack
  4. D.Soot
Show the answer and explanation

Answer: A (Graphite)

Explanation

Pencil 'lead' is graphite mixed with clay; graphite is soft and leaves a mark.