Question

Which of the following statement(s) is/are correct?

(1) Graphite is used in making electrodes because it can conduct electricity.
(2) Graphite is used as a solid lubricant.
(3) Graphite is used in the manufacture of crucibles.
(4) Graphite is also known as the black lead.

• A. 1 and 4
• B. 2 and 3
• C. 1 and 2
• D. All of them

Answer 1

The correct option is D All of them

Graphite, one of the allotropes of carbon, that is used to

(i) Used in making electrode as it is a good conductor of electricity.

(ii) Used as a solid lubricant.

(iii) Used as manufacturing in the crucible.

(iv) Also known as the black lead.