Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from:

Q. Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from:

  1. Blue to green
  2. Blue to white
  3. Blue to sky blue
  4. Blue to grey

Answer: Blue to white

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