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Pick out te statement which is not relev...

Pick out te statement which is not relevant in the discussion of colloids

A

Sodium aluminium silicate is used in the softening of hard water

B

Potash alum is used in shaving rounds and as antiseptic in medicine

C

Artificial rain is caused by throwing electrified sand on the clouds from an aeroplane

D

Deltas are formed at a place where the river pours its water into the sea

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The correct Answer is:
A
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ERRORLESS -SURFACE CHEMISTRY-Colloids, Emulsion, Gel and Their properties with application
  1. According to Hardy Schultz rule, correct order of flocculation value f...

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  2. Which of the following ions can cause coagulation of protons ?

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  3. Pick out te statement which is not relevant in the discussion of collo...

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  4. As(2)S(3) sol is ,

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  5. Which of the following anions will have minimum flocculation value for...

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  6. The basic principle of cotterell precipitator is

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  7. The function of Fe(OH)3 in the contact process is

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  8. Which one of the following does NOT involve coagulation:-

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  9. Artifical rain is caused by spraying :

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  10. All colloidal solutions show :

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  11. Size of colloidal particle is

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  12. Toilet soap is a mixture of

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  13. Sulphur sol contains :

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  14. When freshly precipitated Fe(OH)(3) is shaken with aqueous solution of...

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  15. Which of the following is the best protective colloid?

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  16. The coagulating power of electrolytes having inos Na^(o+),Al^(3+) and ...

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  17. Which of the following represents surfactant momecule ?

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  18. The colloidal solutions of gold prepared by different methods have dif...

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  19. The decomposition of H(2)O(2) can be checked by addition of

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  20. Which statement comparing the soap sodium stearate, and the detergent ...

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