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What is latent heat of fusion? State it...

What is latent heat of fusion? State its units.

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

(1) Take a few pieces of ice in a glass beaker as shown in figure. (2) Insert the bulb of a thermometer in ice and measure its temperature. (3) Put the beaker on a stand and heat the ice using a burner. (4) Record the temperature using the thermometer after every minute. (5) As the ice is heated,it starts melting. Stir the mixture of ice and water. (6) Continue the heating even after ice starts melting. (7) Draw a graph of temperature versus time. Define specific latent heat of fursion. OR What is specific latent heat of fusion? State its units.

Define latent heat of fusion.

BHARATI BHAWAN (ENGLISH)-MATTER IN OUR SURROUNDINGS -C. Short Answer Questions
  1. Can a solid diffuse into another solid ? Give an example .

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  2. What is the difference between gas and vapour ?

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

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

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

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

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

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

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

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  10. What are the characteristics of a liquid ?

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  11. Why are gases lighter than solids and liquids ?

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

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  13. Explain the role of temperature and pressure during the liquefaction ...

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  14. Describe an activity to show that the rate of diffusion in a liquid in...

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  15. Rana was in a haste to go to attend a marriage party , but he found t...

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

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  17. Give reasons for the People prefer to wear cotton clothes durin...

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  18. Why does our palm feel cold when we put some acetone or petror or per...

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  19. Why are we able to sip hot tea or milk faster from a saucer rather tha...

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  20. Why is ice at 273k more effective in cooling than water at the same te...

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