Why does the purple colour spread when a crystal of potassium manganate is placed in water.
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Answer:
diffusion
Explanation:
When a piece of Potassium permanganate (KMnO₄) is added to or placed at the bottom of a beaker which contains cold water, then the water turns into a purple coloured solution. This is due to diffusion of the KMnO₄ particles in the water.
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