and other is labelled as Reason (R).
Assertion : Clothes containing oil or grease stains cannot be cleaned by water wash.
Reason (R): Because the angle of contact between the oil/grease and water is obtuse. In the light of the above statements, choose the correct answer from the option given below.
Both and (R) are true and (R) is the correct explanation of
and (R) are true but (R) is not the correct explanation of
is true but (R) is false
is false but (R) is true

Both