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State your observations in the following...

State your observations in the following cases : Ammonium chloride is heated in a hard glass test tube.

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MBD-MATTER IN OUR SURROUNDINGS-Example
  1. Name the change of state during the following changes : Formation of c...

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  2. Name the change of state during the following changes : Naphthalene ba...

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  3. State your observations in the following cases : Ammonium chloride is...

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  4. State your observations in the following cases : Carbon dioxide is co...

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  5. What is the difference between gas and vapour ?

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  6. Why does a gas fill the container completely ?

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  7. How is the liquid state different from the gaseous state ?

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  8. Complete the following statements : The process of liquid changing in...

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  9. Complete the following statements : The process of gas changing into ...

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  10. Complete the following statements : The process of liquid changing in...

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  11. Complete the following statements : The temperature at which a solid ...

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  12. What are the uses of interconversion of matter ?

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  13. Give the important properties on the basis of which the three states o...

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  14. What is the importance of (a) melting point of solid and (b) boiling p...

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  15. Give two differences between boiling and evaporation.

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  16. Name five substances which are solids, five substances which are liqui...

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  17. Represent interconversion of states by using a figure.

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  18. State what is observed when iodine is heated in a test tube

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  19. Why do gases have neither a definite shape nor a definite volume ?

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  20. Give an experiment to prove that gases are more compressible as compar...

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