Question

write the observation Crystals of hydrated copper sulphate are heated.

Answer 1

Answer:

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Explanation:

The copper sulphate crystals CuSO4. 5H2O contain 5 water molecules which are known as water of crystallization. When we heat the crystals, these water molecules are removed and the salt turns white. If we moisten the crystals again with water, the blue colour of the crystals reappear.

Answer 2

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Here is the answer for your question!

Question:-  write the observation Crystals of hydrated copper sulphate are heated.

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Answer:-

• Copper sulphate contains 5 molecules of water which is known as water of crystallization

• When crystals of hydrated copper sulphate is heated the water escapes from these crystals and hence the colour of the crystals turn white.
• When hydrated again the crystals turn blue which is their original colour
• chemical equation for the reaction.

                            CuSO4.5H2O --------> CuSO4 +5H20

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