what are protective colloids?
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medical Definition of protective colloid. :a lyophilic colloid (as gelatin, a natural gum, or a cellulose derivative) that when present in small quantities keeps lyophobic colloids from precipitating under the coagulating action of electrolytes.
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A lyophillic colloid ( gelatin.natural gum etc..) that when present in small quantities keep lyophibic colloid from precepating under coagulation of some electrolyte ....REMEMBER if u kno the gold no.. u can find protective no. by just reversing..i.e. protective power is inversly proportional to gold no.... i think u very well know about gold no......☺☺☺
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