Question

1. Rusting of iron is a ______________.
(a) physical change
(b) chemical change
(c) both of these
(d) none of these

Answer 1

chemical change

Explanation:

because once iron get rusted it can't be removed

Answer 2

Answer:

chemical change

Explanation:in this process iron is contact with air and moisture is converted into rust which is a new substance and it nor reversible..

I hope it will help u..