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BHARATI BHAWAN (ENGLISH)-MATTER IN OUR SURROUNDINGS -Short-Answer Questions
- (a) Define matter. Give four examples of matter. (b) What are the ...
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- What is a substance?
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- What is the difference between solid and liquid states ?
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- What is sublimation? Give three examples of substances which sublime o...
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- What is freezing point of a liquid?
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- Define latent heat of fusion.
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- What is specific latent heat of vaporization ?
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- How can you show that evaporation causes cooling ?
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- What is condensation? How is the condensation of a gas carried out ?
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- Give reasons for the following observation: The smell of hot sizzling ...
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- Give reason of camphor disappears without leaving any residue
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- A gas exerts pressure on the wall of the container. Assign reason.
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- Give reason of sponge is compressible, through it is a solid.
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- Why does the temperature of a substance remain constant during its mel...
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- Give reason of boiling water and steam both have the same temperature...
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