Give some examples of neutral colloids, negatively and positively charged colloids
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The stability of a colloidal solution is mainly due to the presence a particular type of charge on all the colloidal present in it .
positive charge sols: metallic hydroxides fe(oh)3 ,haemoglobin
methylene blue
negative charged sols: metal sols eg: gold sol, silver sol
metal sulphide sols like As2S2,starch
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