Copper sulphate gives blue coloured solution on dissolution in water Is it chemical change
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Correct question
Why does the colour of copper sulphate change when an iron nail is kept in it? Justify your answer.
Answer
The reaction between copper sulphate (CuSO4,)solution and iron (Fe) is a chemical change because it produces two new substances: iron sulphate (FeSO4) solution and copper (Cu).
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Answer:
CuSO4. 5H2O
Explanation:
THEORY
WHEN COPPER SULPHATE (CuSO4) REACTS WITH WATER(H2O),IT GIVES STILL COPPER SULPHATE.
BECAUSE WATER HAS 5 MOLECULES
IT'S REACTION GIVEN BELOW:--------
CuSO4 + 5H2O-----------) CuSO4. 5H2O
THAT IS ALSO CALLED BLUE VITROIL
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