Given below are two statement|SURFACE TENSION |JEE-MAIN 2022

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JEE MAIN 2022

29-07-22 S1

Question

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : 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.

Select the correct option:

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true but(R) is not the correct explanation of (A)

C

(A) is true but (R)is false

D

(A) is true but (R)is true

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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