Verified Solution • 2025–26 Session
moderate
QJEEM22Ph7913: JEE Main 2022 Physics - Class 11 JEEM22Ph7913 Solution: Given below are two statements : One is labelled as Assertion…
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.
Multiple Choice Options
- 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 false but (R) is true
Step-by-Step Verified Solution
Due to obtuse angle of contact the water doesn't wet the oiled surface properly and cannot wash it also.
Assertion is correct and Reason given is a correct explanation.