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Even one or two crystals of copper sulphate can make its solution in water coloured blue. why
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Even one or two crystals of copper sulphate can make its solution in water coloured blue. why

User Vicente Plata
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When a crystal of copper sulphate is placed at the bottom of a beaker containing water, the water slowly turns blue because of the diffusion of copper sulphate particles into water.
User Juan Pablo Pinedo
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this is because of the diffusion copper sulphate particles in the water.
this also may happen because of the water molecules that get attached
User Cxw
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