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प्रश्न
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
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उत्तर
This is because there is some space between the particles of water in which the salt particles get accomodated when dissolved.
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संबंधित प्रश्न
Give reasons:
Liquids can flow
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The process in which a solid directly changes into a gas is called ....................
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How a liquid changes into its gaseous state ? Explain ?
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All matter is made up of tiny particles called..................
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- they can flow
- they are malleable
- they have a definite shape
- they are rigid
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