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Surface Chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
Question
Give one example each of lyophobic sol and lyophilic sol.
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Answer

Lyophilic Sol: gum, gelatin, starch, rubber.
Lyophobic Sol: Metal Sol, metal sulphides/hydroxides.

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