Ncert Exercises & Solutions

Select the correct option based on statements below:

Assertion (A):	Graphite is a good conductor of electricity. However, diamond belongs to the category of insulators.
Reason (R):	Graphite is soft in nature whereas diamond is very hard and brittle.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	(A) is false but (R) is true.