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Alum helps in purifying water by...

Alum helps in purifying water by

A

forming silicon complex with clay particles

B

sulphate part which combines with dirt and romoves it

C

aluminium which coagulates the mud particles

D

making mud water soluble.

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Blue colour of water in sea is due to

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  2. Which of the following is not correct regarding the adsorption of a ga...

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  3. Alum helps in purifying water by

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  4. According to adsorption theory of catalysis, the speed of the reaction...

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  5. Which of the following characteristic is not correct for physical adso...

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  6. Rate of physisorption increases with

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  7. The coagulating power of an electrolyte for arsenious sulphide sol dec...

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  8. The volumes of gases H2, CH4 ,CO2 and NH3 adsorbed by 1 gm of activate...

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  9. The disease kala azar is cured by ?

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  10. Which of the following statements about zeolites is false ?

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  11. Which of the following form micelles in aqueous solution above certain...

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  12. A plot of log x/m versus log p for the adsorption of a gas on a solid ...

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  13. The Langmuir adsorption isotherm is deduced using the assumption

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  14. If x is amount of adsorbate and m is amount of adsorbent, which of the...

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  15. The protecting power of lyophilic colloidal sol is expressed in terms ...

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  16. In Freundlich adsorption isotherm, the value of 1/n is

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  17. Which one of the following statements is incorrect about enzyme cataly...

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  18. Which of the following statement is correct for the spontaneous adsorp...

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  19. Which property of colloids is independent of the charge on colloidal p...

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  20. Fog is a colloidal Solution of

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