When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :

distribution

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intrusion

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diffusion

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effusion

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Solution

The correct option is C diffusion
Diffusion refers to the process by which molecules intermingle as a result of their kinetic energy of random motion. Diffusion is the net movement of molecules or atoms from a region of high concentration (or high chemical potential) to a region of low concentration.

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Similar questions

Q. When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
(a) distribution
(b) intrusion
(c) diffusion
(d) effusion

Q. When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of potassium permanganate and water?

When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observaton tell us about the nature of potassium permanganate and water ?

When we put some crystals of potassium permanganate in a beaker containing water, we observe that after sometime, the whole water turns pink. This is due to:

Name the process associated with the following.

A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.

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