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Why animal charcoal is used for purifica...

Why animal charcoal is used for purification of sugar?

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ARIHANT PUBLICATION-SURFACE CHEMISTRY-ODISHA BUREAU.S TEXTBOOK SOLUTIONS (C. SHORT ANSWER TYPE QUESTIONS)
  1. What are the factors which influence the adsorption of a gas on a soli...

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  2. What is detergent? How it works?

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

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

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

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  6. What is the difference between adsorption and absorption?

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

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

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

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  10. Why is adsorption always exothermic?

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

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

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  13. Distinguish between adsorbent and adsorbate.

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  14. Distinguish between lyophilic and lyophobic colloids.

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  15. When rivers meet the ocean, they generally form delta, give resasons.

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  16. Why colloids cannot be filtered by ordinary filter paper?

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  17. Name any two/four applications of adsorption (four).

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  18. When rivers meet the sea water they generally form delta, give resason...

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  19. Distinguish between homogeneous and heterogeneous catalysis.

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  20. What is meant by selectivity of a catalyst?

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