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प्रश्न
When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
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उत्तर
The absence of increase in volume of water on dissolution of sugar into it, describes the following characteristics of matter:
- Matter is made up of very, very small particles.
- Particles of matter have spaces between them.
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संबंधित प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
What are fluids ? Give two examples.
Define the following terms.
Atom
Fill in the blank:
Liquids have no definite ............
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If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Name the phenomenon which cause the following change:
Conversion of ice into water.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
Give reason:
A drop of ink added to water in a glass turns whole water blue.
State two characteristics of matter demonstrated by diffusion.
Complete the statement by filling the blank with the correct word given below.
When inter-particle space increases, the inter-particle attractive force _______________.
