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Solution


Q.

Given below are two statements

Statement (I): Viscosity of gases is greater than that of liquids.

Statement (II): Surface tension of a liquid decreases due to the presence of insoluble impurities.

In the light of the above statements, choose the most appropriate answer from the options given below:
1 Statement I is correct but statement II is incorrect  
2 Statement I is incorrect but Statement II is correct  
3 Both Statement I and Statement II are incorrect  
4 Both Statement I and Statement II are correct  

Ans.

(2)

Gases have less viscosity.

Due to insoluble impurities like detergent, surface tension decreases.