Question

15. Which of the Following is physical change * 5 points (I)Evaporation of petrol (ii)Curdling of Milk (iii)None of these​

Answer 1

ANSWER:

1) Evaporation of petrol

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Answer 2

Answer:

Evaporation of petrol

Explanation:

Evaporation of petrol does not involve any chemical reaction. It only gets converted from one physical state to another physical state. Hence, it is a physical change. Heating of an iron rod to red hot is physical change because in heating it only gets changes into red hot and no any chemical change.

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