Question

Give two examples of irreversible changes that take place due to heating

Answer 1

Answer:

Examples of irreversible changes

• Burning: When we burn a piece of paper or wood, it turns to ash and smoke. We cannot obtain paper and wood from the ash again.

• Cooking: We use heat for cooking, right? Once we cook our eggs, we cannot uncook them. ...

• Rusting of iron: You must have seen rusting of iron.

Answer 2

Answer:

Burning:

When we burn a piece of paper or wood, it turns to ash and smoke. We cannot obtain paper and wood from the ash again.

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