What is the percentage of lead in lead pencil?

Question

What is the percentage of lead in lead pencil? (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

The name led pencil is a misnomer. lead is not used in pencils. lead is toxic to human beings .Apart from wood, the primary constituent of led pencils is graphite.

Q. What is the percentage of lead in lead pencil?

The name led pencil is a misnomer. lead is not used in pencils. lead is toxic to human beings .Apart from wood, the primary constituent of led pencils is graphite.