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Question

In a pressure-kerosene stove,
(i) We pump kerosene and convert it into vapours.
(ii) The vapours are then ignited.
Which of the following is true about the above statements?

A

(i) is a chemical change; (ii) is a physical change.

B

(i) is a physical change; (ii) is a chemical change.

C

Both (i) and (ii) are physical changes.

D

Both (i) and (ii) are chemical changes.

Hard

Solution

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Correct option is
B

(i) is a physical change; (ii) is a chemical change.

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