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JEE Advanced 2020 Full Test 7 Paper 1

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Question : 34

Total: 54

Among the following, in how many number of colloids, particles of D.P. move towards cathode during electro-osmosis? Ferric hydroxide, methylene blue, Au, arsenius sulphide, Haemoglobin, Starch, silicic acid, congo red, gelatin

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