(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: For students aiming to conquer the CBSE Class 12 Chemistry 2026 board examination, incorporating Previous Year Question Papers (PYQ) into your study plan is an essential, high ...
The ISC Class 12 Chemistry examination for the 2025-2026 academic session was scheduled on February 23, 2026. Lakhs of students appeared for the paper, which tests their proficiency in organic and ...