Tim lit an incense stick in the corner of a room. The smell soon spread over the entire house. Which property of gases justifies this instance?
A
Gases do not have fixed shape.
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B
Gases can flow.
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C
Gases do not have fixed volume.
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D
Gases can not be compressed.
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Solution
The correct option is B Gases can flow. All gases have the tendency to flow. The incense stick when burned produces vapours that start to flow everywhere in the house. This is how the smell spreads to the entire house.