3. Which of the following salt has blue colour and why ?
CuSO H O or CuSO 4 2 4 .5
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copper sulphate crystals which seems to be dry contain water of crystallization
when we heat the Crystals this water is removed and the salt turns white.
if you moisten the crystals again with water you will find that blue colour of crystals reappear
five water molecules are present in 1 formula unit of copper sulphate
it is called hydrated copper sulphate
when we heat the Crystals this water is removed and the salt turns white.
if you moisten the crystals again with water you will find that blue colour of crystals reappear
five water molecules are present in 1 formula unit of copper sulphate
it is called hydrated copper sulphate
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Sahil786786:
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Water does not give blue colour
dude..it regains blue color when we add water to it
tell perfect answer
wait i will tell perfect
broo here's ur perfect ans
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CuSo4 has the blue colour Coz of the presence of copper ions which are blue in colour
Pllz mark it as brainliest
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