Question

Answer the following questions in brief.
1. When whisked egg is heated, it forms a lump. Can this change be reversed?
2. While playing, you accidentally fall into a swimming pool and wet your clothes. Can you reverse this change?
3. Why is cooking food an irreversible change?
4.Give an example of physical change that cannot be reversed ?
5. what kind of change is observed when copper utensil appear to be greenish in colour ?
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Answer 1

Answer:

okkkk

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Answer 2

Answer:

No, it cannot be reversed

Explanation:

When we heat up the proteins, these bonds break and it creates the formation of the lump. This change can never be reversed.

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