A blue crystal of CuSO4⋅5H2O turns white when heated because of:
A
brownian movement
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B
litmus paper reaction
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C
phenolphthalein reaction
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D
dehydration
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E
deliquescent
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Solution
The correct option is D dehydration A dehydration reaction is usually defined as a chemical reaction that involves the loss of a water molecule from the reacting molecule. Blue crystals of copper sulphate lose the water molecules and get dehydrated to form white color.