Question

The following figure shows an irreversible change because _____.

• A. baked bread cannot be converted back to flour
• B. baked bread on mixing with water can be converted back to flour
• C. baked bread can be converted back to flour by cooling it
• D. flour is changing its physical form to become baked bread

Answer 1

The correct option is A baked bread cannot be converted back to flour

Once baked, the bread cannot be converted back to flour by the addition of water or by cooling it. Hence, it is an irreversible change.