Question

What happens when an iron knife is dipped in a blue copper sulphate copper solution ?

Answer 1

Answer:

An iron knife is dipped in a blue copper sulphate solution turns the blue solution green as iron is more reactive than copper so iron will displace copper from its solution and the blue colour of copper sulphate will turn into green. This is known as Displacement reaction.

hope this helps you.

pls mark as brainliest.