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SHORT QUESTIONS
Classify the matter on the basis of physical characteristics?
Why solid carbon dioxide is called "dry ice"?
Why do we keep ether and acetone at cool places?
Write two factors which will increase rate of evaporation ?
SUNT
Which gas is supplied in the liquefied for at home and in hospitals ?
00
Compare the force of attraction between iron, rubber band and chalk ?
Arrange sugar, water and oxygen in the increasing order of force
attraction between their particles ?
Science Class - IX
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Answer:
the rate of evaporation increase with an increase in temperature
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