Question

please tell me answer urgently ​

Answer 1

(i),(iii),(iv)

hope it helps u ✔

Answer 2

Answer:

Rusting of iron is a redox reaction and its a chemical change, apart from this all others are physical changes.

The rusting of Iron (Iron in contact with water forms the anode and in contact with air forms the cathode. At the anode iron is

oxidised to Fe +2 and at the cathode oxygen is reduced to water.