(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 Board Exams 2026:The Chemistry paper will be held on February 28. CBSE Class 12 Board Exams 2026: The Chemistry paper is considered one of the most challenging in the Class 12 board ...