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Q.

Is it true that the combustion of LPG is a physical change?


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a

True

b

False  

answer is B.

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Detailed Solution

The above statement is false.
A physical change is defined as those changes in which the size and form of matter are changed. The combustion of LPG releases carbon dioxide and water. The reaction is a chemical change, not a physical change.
The corrected statement would be, “Combustion of LPG is a chemical change”.
 
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