1. Why do we see water droplets collected on the outer surface of a glass container, containing ice?
2. Explain why solids have fixed shape but liquids and gases do not have fixed shape.
3. Why is it advisable to use pressure cooker at higher altitudes?
4. What are fluids?
5. Why is water liquid at room temperature?
6. Cotton is solid but it floats on water. Why?
7. Why are solids generally denser than liquids and gases?
8. Name the factors that affect evaporation.
9. How is the high compressibility property of gas useful to us?
10. With the help of an example, explain how diffusion of gases in water is essential?
11. On a hot sunny day, why do people sprinkle water on the roof or open ground?
12. Why to people perspire a lot on a hot humid day?
13. A balloon when kept in sun, bursts after some time. Why?
14. Pressure and temperature determine the state of a substance. Explain this in detail.
15. Explain giving examples the various factors on which rate of evaporation depends
Answers
Answered by
0
Answer:
1:we see water droplets on
the outer surface because the glass container come into the contact of air and the water droplets come out
Answered by
1
Answer:
We see water droplets due to the phenomena of condensation
Explanation:
Water vapour come in contact with the glass of ice and due to condensation they condense and forms water droplets
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