When we put iron nails in copper sulphate solution, we find the blue colour of the solution changes to green after sometimes. We also notice, a deposition of brown substance takes place on the iron nail. Now, answer the following.
a. Write the equation involved.
b. Why does the colour of the solution change?
c. What is the brown deposit on the iron nail called as?
d. Is it a physical or a chemical change?
please answer me
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Answer:
a.Fe+CuSO4givesFeSo4+Cu
b.Because of deposited of copper metal
c.Rust
d.chemical change
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