Question

Aim: To study the deposition of copper from its salt solution
Materials needed: Three test tubes, copper sulphate, water,
beaker, zinc metal, magnesium ribbon, and iron filings
Method:
1. Prepare an aqueous solution (solution in water) of
copper sulphate in a 250 mL beaker,
2. Take three test tubes and label them as 1, 2, and 3.
3. Pour 10 mL of copper sulphate solution in each of them.
4. Now drop a piece of zinc metal, a magnesium ribbon,
and some iron filings in the three test tubes, respectively,
Observation: You will observe that the blue colour of the solution
will gradually disappear and ultimately become transparent in case
of zinc and magnesium, whereas it will turn sea-green in case of iron. Metals in each case will
be coated with a reddish-brown colour.
Conclusion: The solution turns transparent in case of zinc and magnesium due to the
formation of zinc sulphate and magnesium sulphate, respectively. As iron turns into iron
sulphate, the solution turns sea-green. The reddish coating on the metals is due to the
deposition of copper metal.​

Answer 1

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Answer 2

Answer:

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