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Question
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Solution
A bottle of perfume on opening evolves an odour because gases diffuse very easily and odour spreads over a large distance.
RELATED QUESTIONS
Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.
What are the characteristics of particles of matter?
Give reasons:
Liquids can flow
Fill in the blank:
Water boils at ............
Name the phenomenon which cause the following change:
Formation of water vapour from water.
Give two examples of the following:
Substances which are rigid and not compressible.
What is mass ?
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Write your observation and conclusion for the following
When one of the balloons suspended to the metre scale is punctured while other remains inflated ?
Air is not compressible.
