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Fill in the blanks : The heterogeneous c...

Fill in the blanks : The heterogeneous catalyst used in the contact process of manufacture of `H_2SO_4` is ……………..

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SHARAM PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Fill in the blanks : The transformation of a freshly prepared precipi...

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  2. Fill in the blanks : Liquid - liquid colloidal systems are called ………...

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  3. Fill in the blanks : The heterogeneous catalyst used in the contact pr...

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  4. Fill in the blanks : Smoke is a dispersion of ………. In ……………

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  5. The colloidal system of liquid dispersed in solid is called .

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  6. Fill in the blanks : The colloidal solution of cellulose nitrate in et...

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  7. Fill in the blanks : Vanishing cream is an example of …………. Type emuls...

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  8. Fill in the blanks : Cold cream is an example of ……….. In ……….. Type e...

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  9. Fill in the blanks : The heat of adsorption in physisorption lies in ...

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  10. Fill in the blanks : The adsorption of N2 gas on iron at 83K is ……….. ...

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  11. Fill in the blanks : The technique of separation of components of a mi...

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  12. Fill in the blanks : The type of colloidal dispersion obtained when eg...

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  13. Fill in the blanks : The minimum milligrams of a protective colloid to...

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  14. Fill in the blanks : The swelling of gel in water is called …………..

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  15. Fill in the blanks : The formation of micelles take place above a part...

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  16. Fill in the blanks : Increasing the adsorbing power of an adsorbent by...

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  17. Write three differences between physical and chemical adsorption.

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  18. What are colloids ? How do they differ from crystalloids ?

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  19. What are lyophilic and lyophobic colloids ? Give one example of each.

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  20. What is the difference between colloidal solution, gel and emulsion ?

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