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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.
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Solution
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Correct option is B. (i) is a physical change; (ii) is a chemical change.
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