(a) Preparation of one lyophilic and one lyophobic sol Lyophilic sol - starch, egg albumin and gum Lyophobic sol - aluminium hydroxide, ferric hydroxide, arsenous sulphide. (b) Dialysis of ...
NOTE: The complete CBSE Class 12 Chemistry question paper for 2025 (SET-1,Set-2 and Set-3), along with the PDF, has been conveniently attached below the uploaded image. This ensures that students can ...