Question

The carbon pencil (commonly called lead pencil) is actually made of a mixture of graphite and

clay. In a particular batch of pencils, the percentage of graphite was increased.

A number of complaints were received from the users saying that the pencil was sliding on

paper and therefore it had become difficult to write. What is the probable reason for this?

a. graphite has a high melting point.

b. graphite is a form of carbon.

c. graphite is a lubricant.

d. graphite is a non-metal​

Answer 1

C. Graphite is a lubricant.

Hope it helps.

CCT - 8 ?

Answer 2

Answer:

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Graphite is a form of carbon.