With the rise of temperature, the viscosity of liquid:

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(b) Decreases — The viscosity of liquids decreases with temperature while it increases in the case of gases. Most of the fluids are not ideal ones and offer some resistance to motion. This resistance to fluid motion is like an internal friction analogous to friction when a solid moves on a surface. It is called viscosity. This force exists when there is relative motion between layers of the liquid.

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(A) Increases

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(C) Remains unchanged

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(D) May increase or decrease depending on nature of liquid

With the rise of temperature, the viscosity of liquid:

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