This video is second lecture of surface chemistry chapter. In this video I have described colloids with examples. I have also explained classification of colloids on the basis physical state of dispersed phase and dispersion medium and on the basis of interaction between dispersed phase and dispersion medium. i.e. I have described about different types of colloids like sol, emulsion, gel etc. I have also explained difference between lyophilic sol and lyophobic sol. It is very important topic for students of class 12, BSc and also for the students preparing for NEET, JEE, NET and entrance examinations of different universities.
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