WebbThe protecting power of lyophilic colloidal sol is expressed in terms of 1. coagulation value 2. gold number 3. critical micelle concentration 4. oxidation number Q 97: 81 % NEET - 2012 (1) (2) (3) (4) Subtopic: Lyophilic & Lyophobic Sol View Explanation Correct %age Add Note Bookmark More Actions Launched MCQ Practice Books Webb10 feb. 2024 · Thus, lyophilic colloids are called protecting colloids. Their protecting power is expressed in terms of gold number. In other words, gold number can be defined …
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Webb24 mars 2024 · The lyophilic colloid makes a layer around the lyophobic colloid and thus protects the lyophilic colloid. This is known as the protection of colloids. The lyophilic colloids are known as protective colloids. When hydro gold sol is mixed with sodium chloride solution it coagulates. The minimum amount in milligram of protective colloid … Webb21 apr. 2024 · Chapter 1: Colloidal Dispersion MCQs with Answer. 1. An example for colloidal systems is: a. clays and gels b. ointments and pastes c. solutions of soaps and proteins d. suspensions and emulsions Ans: c 2. The criterion to call a system ‘colloid’ is a. a fine state of subdivision of dispersed phase b. dispersed particles are in the size range … drywall screw gun video milwaukee
Protection of Lyophobic Sols and Gold Number - Embibe
WebbThese colloids don’t need stabilizing agents.The addition of some lyophilic colloids like gums, soaps, gelatin etc. to lyophobic colloids makes lyophobic colloids difficult to … WebbThe protecting power of lyophilic colloidal sol is expressed in terms of: a) critical micelle concentration. b) oxidation number. c) coagulation value. d) gold number. Colloidal … Webb7 apr. 2024 · Hint : Lyophilic sols are more stable than lyophobic sols, lyophobic sols can be easily coagulated by the addition of a small quantity of an electrolyte. Lyophilic sols … drywall screw guns at home depot