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Why Cottrell's smoke precipitator is fit...

Why Cottrell's smoke precipitator is fitted at the mouth of chimney used in factories ?

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SHARAM PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Why is gelatine added to ice cream ?

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  2. Why is a peptizing agent added to convert a precipitate into colloidal...

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  3. Why Cottrell's smoke precipitator is fitted at the mouth of chimney us...

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  4. How do the aquasols and solid aerosols differ ?

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  5. The adsorption of a gas on the surface of the solid is generally accom...

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  6. What causes Brownian movement in colloidal solution ?

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  7. What do you mean by a positive and negative catalyst ?

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  8. Why are powdered substances more effective adsorbent than their crysta...

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  9. What is the difference between multi molecular and macro molecular col...

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  10. Give an example where physisorption changes to chemisorption with rise...

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  11. How does it become possible to cause artificial rain by spraying silve...

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  12. The coagulation of 100 ml of a colloidal solution of gold is completel...

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  13. 50 ml of standard gold sol needs 0.05 mg of gelatine for its protecti...

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  14. Explain the cleansing action of soaps.

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  15. Write the differences between true solution , colloidal solution and s...

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  16. Distinguish between lyophilic and lyophobic colloids.

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  17. Write a brief note on Coagulation.

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  18. What are the dispersed phase and dispersion medium in the following co...

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  19. What are the dispersed phase and dispersion medium in the following co...

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  20. What are the dispersed phase and dispersion medium in the following co...

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