Question

What happens when an iron blade of a knife is dipped in a copper sulphate
solution ? What kind of change takes place ?

Answer 1

Answer:

here is your answer mate !!

Explanation:

When an iron blade of a knife is dipped in a copper sulphate solution, then iron blade is coated with reddish brown deposits of copper. And the blue colour of copper sulphate solution changes to light green due to the formation of iron sulphate. So, it is a chemical change.

Answer 2

Answer:

$\huge\underline\mathrm\red {Answer⬇}$

When an iron blade of a knife is dipped in a copper sulphate solution, then iron blade is coated with reddish brown deposits of copper. And the blue colour of copper sulphate solution changes to light green due to the formation of iron sulphate. So, it is a chemical change.