Question

when an iron knife is dipped in blue copper sulphate solution it turns blue solution into light green colour .give reason​

Answer 1

Answer:

Because the chemical equation for the above reaction is copper sulphate + iron is converted into iron sulphate + copper so it turns into green color

Answer 2

Answer:

the change that you notice between copper and sulphate and iron. The change of color of the solution from blue to green is due to the formation of iron sulphate, a new substance. The brown deposit on the iron knife is copper another new substance