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What is the normal room temperature ?...

What is the normal room temperature ?

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DINESH PUBLICATION-MATTER IN OUR SURROUNDINGS -Test Your Knowledge
  1. Define latent heat of fusion.

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  2. Out of ether and carbon tetrachloride, which is more volatile ?

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  3. What is the normal room temperature ?

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  4. Write the common units in which pressure is expressed.

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  5. Are dry ice and ordinary ice same ?

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  6. Is cooling also caused during boiling of a liquid ?

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  7. Define normal boiling point of a liquid.

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  8. What does LPG signify ?

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  9. Out of gases and liquids, which diffuse faster ?

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  10. How will you justify that ice, water and steam are not different subst...

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  11. How will you demonstrate that interparticle spaces are present in a ma...

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  12. Enlist the main characteristics of the particle nature of matter.

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  13. What are solids ? Write the main characteristics of the solid state.

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  14. Define density. Out of the solid, liquid and gaseous states, in which ...

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  15. The kinetic energy of the particles in the liquid state is more than i...

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  16. Define melting point of a solid. Discuss its significance.

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  17. Discuss in brief the scales of measuring temerature and pressure.

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  18. Clothes dry fast on a windy day. Why ?

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  19. A substance A has a definite volume and it assumes the shape of any co...

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  20. A solid X liquefies at 25^(@)C. The liquid changes back to the solid s...

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