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Why do we say that stone is a solid ?...

Why do we say that stone is a solid ?

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BHARATI BHAWAN (ENGLISH)-MATTER IN OUR SURROUNDINGS -C. Short Answer Questions
  1. Why do we say that stone is a solid ?

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  2. Why is carbon dioxide called a gas and not a vapour ?

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  3. Give two reasons to justify- (a) Water at room temperaure is a liqui...

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  4. A solid expands upon heating because

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  5. How do some animals survive in sea water ?

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  6. Which of the following is more easily compressible : Carbon dioxide o...

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  7. Why does the temperature of a substance remain constant during its mel...

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  8. Identify the physical state of the following . (i)A substance in ...

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  9. Explain why does food get quickly cooked in a pressure cooker .

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  10. Why does a desert cooler cool better on a hot dry day?

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  11. " A stone piece sinks in water , whereas a wooden cork floats over it....

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  12. Can a solid diffuse into another solid ? Give an example .

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  13. What is the difference between gas and vapour ?

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  14. " The arrangement of particles in the solid state of a substance is m...

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  15. "Both boiling water and steam have the same temperature , but water in...

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  16. Describe an activity to show that a liquid when left exposed to air di...

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  17. Describe an activity to show that different liquids evaporate at diff...

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  18. What is latent heat of fusion? State its units.

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  19. The following materials are supplied to you: (i) Glass (ii) Ice pieces...

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  20. What will you observe when cotton wool is taken in place of a gas or l...

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