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Give a method of preparing colloidal sol...

Give a method of preparing colloidal solution of arsenous sulphide.
Give equation.

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ARIHANT PUBLICATION-SURFACE CHEMISTRY-ODISHA BUREAU.S TEXTBOOK SOLUTIONS (C. SHORT ANSWER TYPE QUESTIONS)
  1. What is gold number?

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  2. Give a method of preparing colloidal solution of arsenous sulphide. ...

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  3. What is Tyndall effect? What is it due to?

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  4. What is adsorption? Distinguish between physical adsorption and chemis...

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  5. Explain electrophoresis.

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  6. What is colloidal solution?

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  7. Why alum is used for clearing muddy water.

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  8. What are the factors which influence the adsorption of a gas on a soli...

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  9. What is detergent? How it works?

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  10. What is a colloidal solution? How does it differ from a true solution?

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  11. Give two examples of lyophilic sols and how are they formed?

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  12. Why animal charcoal is used for purification of sugar?

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  13. What is the difference between adsorption and absorption?

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  14. A powerful beam of light is passed through two beakers, one containing...

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  15. Why some colloidal particles migrate to electrodes in an electric fiel...

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  16. Why is the value of colligative properties of colloidal solution very ...

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  17. Why is adsorption always exothermic?

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  18. Explain why the gases like NH3, HCI, CO2, etc can be liquefied easily ...

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  19. Among [Fe(CN)6]^(4-),PO(4)^(3-),so(4)^(2-)which is more effective in c...

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  20. Distinguish between adsorbent and adsorbate.

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