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Study the given Venn diagram carefully a...

Study the given Venn diagram carefully and identify points 1, 2 and 3.

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The correct Answer is:
D
Burning of LPG in kitchen is both a physical and chemical change. When pressure is released by turning on the knob, liquified gas changes to gaseous form (physical change) while on burning the gas, a chemical change takes place. Breaking of an egg is a physical irreversible change and burning of crackers is a chemical irreversible change.
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