Question

1 point
10. When an iron nail is dropped in copper sulphate solution, the colour of
the solution changes from- *
O Blue to pink
O Black to red
Blue to pale green
O None of these​

Answer 1

Answer:

blue to pink

please mark brainlist answer

Answer 2

Answer:

Blue to pale green

Explanation:

please follow me

please make me as brainlest answer