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Give three examples each of two classes ...

Give three examples each of two classes of pure substances.

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MBD-IS MATTER AROUND US PURE-Example
  1. How will you separate the solid-liquid mixtures ?

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  2. Give three characteristics of a pure substance.

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  3. Give three examples each of two classes of pure substances.

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  4. Give three characteristics of a mixture.

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  5. Name the methods commonly used for separation of components of a mixtu...

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  6. Define colloidal solution.

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  7. Define dispersed phase and dispersion medium.

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  8. From the methods (or techniques) of distillation, filtration, fraction...

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  9. From the methods (or techniques) of distillation, filtration, fraction...

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  10. From the methods (or techniques) of distillation, filtration, fraction...

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  11. From the methods (or techniques) of distillation, filtration, fraction...

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  12. Name the technique which could be used to separate : Iodine crystals f...

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  13. Name the technique which could be used to separate :petrol from crude ...

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  14. How will you separate : Pure water from sea water ?

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  15. How will you separate : Kerosene oil from a mixture of kerosene oil a...

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  16. Name the kind of change of state whennaphthalene changes into gaseous ...

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  17. Name a common substance which exists in all the three states of matter...

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  18. Define electrophoresis.

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  19. Explain Brownian movement.

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  20. Explain Tyndall effect.

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