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Surface Chemistry — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
Question
(a) Why are medicines more effective in colloidal state?
(b) What is difference between an emulsion and a gel?
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Answer

(a) Colloids have a larger surface area. Therefore, they get easily absorbed and digested.
(b) In emulsion the dispersion medium is a liquid while in gel the dispersion medium is a solid.

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