Question

If you leave a piece of iron in the open atmosphere for few days, It acquires a film of brownish substance called rust. (a) Can you change the rust back into iron ? (b) Give any two other examples of similar type of change. I WANT THIS ANSWER PLEASE MAKE IT FAST

Answer 1

Explanation:

a) Rust is an irrevesible process. So we can't change rust back to iron.

b) . conversion of metal to metal carbonates or metal oxides.

• coversion of any non metal to non metal oxide.

Answer 2

Answer:

a) We can cannot change the rust back into iron.

b) Burning of paper and formation of ash

Explanation:

Hope this helps you!!!