Assertion:- If we drop a crystal of potassium permanganate into a beaker containing hot water and another beaker containing cold water then the rate of mixing of the potassium permanganate in the hot container is more as compared to the cold container.

Reason:- Movement of particles increases with the increase in temperature.

Assertion:- False

Reason:- True

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Assertion:- False

Reason:- False

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Assertion:- True

Reason:- False

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Assertion:- True

Reason:- True

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Solution

The correct option is D
Assertion:- True

Reason:- True

In the beaker containing hot water the temperature is high and as the temperature is directly proportional to kinetic energy (energy associated with the motion of particles) so the motion of particles is more and hence intermixing of particles (diffusion) will be more as compared to cold water. Therefore, both the assertion and reason are true.

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