Q103
Lead pencil contains
A.
Lead
B.
Ferrous sulphide
C.
Lead sulphide
D.
Graphite
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Lead pencils contain graphite (a form of carbon), not lead. In fact, contrary to what many people believe, lead pencils never were made with lead. The ancient Romans used a writing device called a stylus.