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

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.

Option: 1

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


Option: 2

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


Option: 3

(A) is true but (R) is false
 


Option: 4

(A) is false but (R) is true


Answers (1)

\rightarrow For cleaning of cloth, wetting liquid is required which acute angle of contact.
\rightarrow clothes containing oil orgrease cannot be cleaned by water because the angle of contact between the oil/grease and wates is obtuse.
\rightarrowHence, both \mathrm{A\: \: and\: \: R} are true and \mathrm{ \: R} is the correct explanation of \mathrm{ A}

\rightarrowHence 1 is correct option.

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Kshitij

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