(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 ...
CBSE Class 12 Chemistry Exam 2025 Paper Review: The Central Board of Secondary Examination (CBSE) has successfully concluded the class 12 Chemistry Board Exam 2025 today, February 27. The exam was ...