Question

Why burning paper is a permanent change?​

Answer 1

Answer:

When a piece of paper is burnt a new substance ash is produced. Even when the burning is stopped , the ash cannot be changed back into paper . This shows that the formation of the ash from paper is a permanent and irreversible change.

Answer 2

Answer:

When a piece of paper is burnt a new substance ash is produced. Even when the burning is stopped , the ash cannot be changed back into paper . This shows that the formation of the ash from paper is a permanent and irreversible change.