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For any substance, Why does the temperat...

For any substance, Why does the temperature remain constant during the change of state?

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MBD-MATTER IN OUR SURROUNDINGS-Example
  1. What is the physical state of water at: 250^@ C ?

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  2. What is the physical state of water at: 100^@C ?

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  3. For any substance, Why does the temperature remain constant during the...

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  4. Suggest a method to liquefy atmospheric gases.

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

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  6. How does the water kept in an earthen pot (matka) become cool during s...

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  7. Why does our palm feel cold when we put some acetone or petrol or perf...

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  8. Why are we able to sip hot tea or milk faster from saucer rather than ...

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  9. What type of clothes should we wear in summer ?

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  10. Convert the following temperature to the Celsius scale : 293 K

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  11. Convert the following temperature to the Celsius scale :470 K

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  12. Convert the following temperatures to the Kelvin scale : 25^@ C

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  13. Convert the following temperatures to the Kelvin scale : 1373^@ C

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  14. Give reason for the following observations: Naphthalene balls disappea...

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  15. Give reason for the following observations : We can get the smell of ...

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  16. Arrange the following substances in increasing order of forces of attr...

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  17. What is the physical state of water at :25^@C

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  18. What is the physical state of water at :0^@ C

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  19. What is the physical state of water at :100^@ C

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  20. Give two reasons to justify that :Water at room temperature is a liqui...

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