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The colour of sky is due to...

The colour of sky is due to

A

absorption of light

B

transmission of light

C

scattering of light

D

all of these

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Emulsifying agent present in milk that makes it stable is

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  2. Cloud is an example of

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  3. The colour of sky is due to

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  4. Express 8 in roman numerals.

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  5. Explain the following- Uses of brass alloy.

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

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  7. The dispersion medium in aerosol is

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

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

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  10. In physical adsorption the forces associated are

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

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

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

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

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  15. Differentiate between absorption and adsorption.

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

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

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

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

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

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