Question

Give reason.
The cooking of an egg is a chemical change.

Answer 1

Answer:

Cooking an egg is a set of chemical changes because chemical bonds are broken and new ones are made, resulting in the formation of new substances. In this case many of the bonds broken are those which cause the egg's proteins to be folded into a globule.

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Answer 2

Answer:

Cooking of an egg is a chemical change because it is an irreversible change.

Explanation:

The boiled egg cannot be brought back to its initial form. Also chemical changes are irreversible. Hence we can say that cooking egg is a chemical change