Question

that after some time the glans color of the solution on changes to green.also a deposition of a brown substance takes place on the iron nut

I it physical or chemical change ?​

Answer 1

Answer:

A change in color is not always a chemical change. If one were to change the color of a substance in a non-chemical reaction scenario, such as painting a car, the change is physical and not chemical.

Explanation:

Answer 2

Answer:

Chemical Change

yes,yes,yes

(I am writing this because it accepting only 20 characters)