Assertion (A): The rate of mixing of copper sulphate or potassium permanganate crystals is faster in hot water than in cold water. Reason (R): The increased temperature of water decreases the kinetic energy of the water molecules, leading to faster movement and quicker dissolution of the crystals.

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Characteristics of Particles of Matter, Diffusion in Matter | PadhAiPro

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Assertion-ReasonCharacteristics of Particles of MatterDiffusion in Matter

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