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Matter in Our Surroundings - Chemistry Class 9 | Shiksha Nation
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Class 9
CBSE
Chemistry
Matter in Our Surroundings
🧪
Chapter 1
Matter in Our Surroundings
Chemistry
•
Class 9
•
CBSE
10 Questions Available
Showing 10 questions on this page
1
Define latent heat of vaporization.
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2
What are fluids?
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3
Why do people perspire a lot on a hot humid day?
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4
1 kg cotton and 1 kg sand, which is more denser? Why?
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5
Liquids and gases can be compressed but it is difficult to compress solids. Why?
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6
Why do we see water droplets collected on the outer surface of a glass container, containing ice?
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7
Explain giving examples the various factors on which rate of evaporation depends.
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8
A balloon when kept in sun, bursts after some time. Why?
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9
Explain why solids have fixed shape but liquids and gases do not have fixed shape.
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10
Why is it advisable to use pressure cooker at higher altitudes?
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