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Explain the following- Uses of brass all...

Explain the following- Uses of brass alloy.

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. The colour of sky is due to

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  2. Express 8 in roman numerals.

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  3. Explain the following- Uses of brass alloy.

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  4. The efficiency of a protective colloid is described in terms of

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  5. The dispersion medium in aerosol is

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  6. The function of enzymes in the living system is to

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  7. The ultrafiltration Process of purification of colloidal solutions is ...

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  8. In physical adsorption the forces associated are

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  9. Milk is a colloidal solution of ................ in ............ .

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  10. Colloids can be purified by peptization. (True/False)

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  11. The protective power of colloids is measured in the unit ................

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  12. The curve showing the variation of adsorption with pressure at constan...

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  13. Differentiate between absorption and adsorption.

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  14. What do you understand by true solution, colloidal solution and suspen...

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  15. Comment on the statement that “colloid is not a substance but a state ...

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  16. An atom of element E contains 3 protons, 3 electrons and 4 neutrons : ...

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  17. How are colloids classified on the basis of : interaction between disp...

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  18. How will you prepare a collidal solution of gold?

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  19. Explain electrophoresis. How is it helpful in causing coagulation of c...

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  20. Write two differences between sols and emulsions.

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