Question

3. Is it possible to get the paper back again after burning Answer:​

Answer 1

No , it's not possible.

Explanation:

When a paper is burnt, the molecules of paper undergo change forming new substances like smoke and water vapour. ... So, a burnt piece of paper cannot be brought back to its original form.

Answer 2

Answer:

If we burn a piece of paper, it changes into ash and smoke. Now we cannot combine the ash and smoke to form the original piece of paper. So, the burning of paper is an irreversible change which cannot be reversed .

Hope this will answer your question