Question

22.Give two examples of irreversible changes​

Answer 1

Answer:

A cooked egg cannot be changed back to a raw egg again. Mixing substances can cause an irreversible change. For example, when vinegar and bicarbonate of soda are mixed, the mixture changes and lots of bubbles of carbon dioxide are made. Burning is an example of an irreversible change.

Explanation:

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Answer 2

• Heating. Heating can cause an irreversible change. For example you heat a raw egg to cook it.
• Mixing. Mixing substances can cause an irreversible change
• Burning. Burning is an example of an irreversible change.