Question

Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?

Answer 1

Irreversible changes

• Irreversible changes are permanent changes.
• These changes cannot be reversed.
• New substances are formed.
• The original substance can not be brought back by reversing the conditions.

Recycling of paper

• It is an irreversible change as the quality, color, and texture of the original paper change on recycling.
• A new kind of paper is formed as the end product.