Question

Neha dropped a iron nail in copper sulphate solution. What colour change she would have observed after some time? Is it a physical or chemical change? Give reason.​

Answer 1

Answer:

chemical change

Explanation:

Neha dropped a iron nail in copper sulphate solution

it's giving like a physical change because for confusion

it's chemical only the new substance formed

thanks for brain list for me

Answer 2

Answer:

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.

Explanation:

THIS IS A CHEMICAL CHANGE  OR CHEMICAL REACTION

{A chemical reaction is the same as a chemical change}