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On increasing the temperature, the viscosity of the fluid __________

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in Engineering Chemistry I by (506k points)
On increasing the temperature, the viscosity of the fluid __________

(a) Decreases

(b) Increases

(c) Remains constant

(d) None of the mentioned

I had been asked this question in an online quiz.

My question is from Viscosity in section Criteria of Purity and Characterisation of Materials of Engineering Chemistry I

1 Answer

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Best answer
Correct option is (a) Decreases

Easy explanation: On increasing the temperature, the viscosity of the fluid decreases. This is because of the decrease in inter-molecular forces.

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