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Which of the following statements regarding a liquid is not correct?

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a
The SI unit of viscosity is Pa s.
b
1 Pa s = 10 Poise.
c
The viscosity of a liquid decreases with increase in temperature
d
The viscosity of a gas decreases with increase in temperature

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detailed solution

Correct option is D

The viscosity of a gas decreases with increase in temperature. Statements D regarding a liquid is not correct.

Because the cohesive force between the water molecules weakens with rising liquid temperature, viscosity lowers.

Hence option D is correct. 

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