Increasing temperature of a liquid causes:

decrease in its viscosity

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increase in its viscosity

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no effect on its viscosity

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decrease followed by increase in its viscosity

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Solution

The correct option is A decrease in its viscosity
Denser liquid has a very high viscosity. So, as we increase the temperature, the viscosity of the liquid decreases as the thermal motion of the molecules will increase. They will overcome the force of attraction.

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Similar questions

Q. Viscosity of a liquid decreases with an increase in its temperature.

Explain the effect of increasing the temperature of a liquid, on intermolecular forces operating between its particles. What will happen to the viscosity of a liquid if its temperature is increased?

Q. Viscosity of liquid decreases with increase in temperature.

Increae in kinetic energy can overcome intermolecular forces of attraction. How will the viscosity of liquid be affected by the increase in temperature?

(a) Increase (b) No effect

Statement 1: The viscosity of the liquid increases rapidly with rising of temperature.
Statement 2: Viscosity of a liquid is the property of the liquid by virtue of which it opposes the relative motion amongst its different layers.

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Increasing temperature of a liquid causes:

The correct option is A decrease in its viscosityDenser liquid has a very high viscosity. So, as we increase the temperature, the viscosity of the liquid decreases as the thermal motion of the molecules will increase. They will overcome the force of attraction.

The correct option is A decrease in its viscosity
Denser liquid has a very high viscosity. So, as we increase the temperature, the viscosity of the liquid decreases as the thermal motion of the molecules will increase. They will overcome the force of attraction.