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CBSE Class 9 Chemistry Matter In Our Surrounding (Easy)
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Question 1 of 10
1. Question
As solid melts to form liquid:
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Question 2 of 10
2. Question
When we blow air into the balloon it inflates because:
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Question 3 of 10
3. Question
latent heat of vapourisation is used to:
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Question 4 of 10
4. Question
which are the favourable conditions for liquefaction of petroleum gas:
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Question 5 of 10
5. Question
During evaporation particles of a liquid change into vapours :
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Question 6 of 10
6. Question
The conversion of solid to gas directly is called:
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Question 7 of 10
7. Question
The process of evaporation causes:
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Question 8 of 10
8. Question
Which of the following substances will undergo sublimation?
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Question 9 of 10
9. Question
At higher altitudes the boiling points of liquids
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Question 10 of 10
10. Question
the characteristics of the particles of matter
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