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Which of the following substances will p...

Which of the following substances will precipitate the negatively charged emulsions-

A

KCl

B

glucose

C

urea

D

NaCl

Text Solution

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The correct Answer is:
A, D
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CHHAYA PUBLICATION-SURFACE CHEMISTRY-Solved NECRT Exempler Problems
  1. Which of the following statements are correct-

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  2. An emulsion cannot be broken by and .

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  3. Which of the following substances will precipitate the negatively char...

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  4. Which of the following colloids cannot be coagulated easily-

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  5. What happens when a lyophillic sol is added to a lyophobic sol

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  6. Which phenomenon occurs when an electric field is applied to a colloid...

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  7. In a reaction, catalyst changes

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  8. Which of the following phenomenon occurs when a chalk stick is dipped ...

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  9. Why is it important to have clean surface in surface studies?

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  10. Why is chemisorption referred to as activate adsorption?

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  11. What type of solutions are formed on dissolving different concentratio...

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  12. What happens when gelatin is mixed with gold sol?

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  13. How does it become possible to cause artificial in spraying silver iod...

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  14. Gelatin which is a peptide is added in ice creams. What can be its rol...

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  15. What is collodion?

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  16. Why do we add alum to purify water?

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  17. What happens when electric field is applied to colloidal solution?

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  18. What causes brownian motion in colloidal dispersion?

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  19. A colloid is formed by adding FeCl(3) in excess of hot water. What wil...

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  20. How do emulsifying agents stabilise the emulsion .

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