L

Lokendra Rathod • 2.31K Points
Master Reasoning

(A) If both 'A' and 'R' are true and 'R' is the correct explanation of 'A'
(B) If both 'A' and 'R' are true but 'R' is not the correct explanation of 'A'
(C) If 'A' is true but 'R' is false
(D) If 'A' is false but 'R' is true
Correct Answer - Option(B)
Explanation by: Lokendra Rathod
Graphite possesses a layer structure with two successive layers held by weak forces.

Because of such weak forces, these layers are able to slide over one another. Therefore, graphite is slippery and because of this property, it is used as a lubricant.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.