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DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
- How will you prepare a colloidal sol of arsenic suplhide ?s
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- Which of the following has minimum flocculation value :-
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- What is Milk of Magnesia? For what purpose, is it used ?
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- What are surfactants ?
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- What is iso-electric point of colloids ?
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- What is syneresis or weeping of gels ?
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- Explain why dose feeric hydroxide sol get coagulate on addition of sol...
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- Why does a beam of light on passing through a colloidal solution have ...
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- Milk is an emulsion of fat dispersed in Water. What stabiliser stabili...
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- Can the same substance act both as colloid and crystalloid ?
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- If a strong beam of light is passed through a colloidal sol place in a...
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- Why does clear sky appear blue ?
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- Why are lypolhilic colloids more stable than hybrobic colloids ?
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- Give one example each of multimolecular and macro-molecular colloids.
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- What happens when colloidal solution of fe(OH)(3) and As(2)S(3) are mi...
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- What happens when freshly precipitated ferric hydroxide is treated wit...
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- Why is pyophobis sol easily congulated as compared to lyophilic sol ?
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- Mention two ways by which lyophobic colloids can be coagulated.
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- What will happen when a small amount of NaCl solution is added to hydr...
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- Why does physisorption decrease with increase in temperature ?
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