(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 Exam Pattern and Marking Scheme 2025-26: The Central Board of Secondary Education (CBSE) will conduct the Class 12 Chemistry exam in 2026 based on a specific, structured pattern that ...
Jharkhand Board Class 12 Chemistry Question Paper 2026: The Jharkhand Academic Council (JAC) successfully conducted the Class 12 Chemistry board examination on 13 February 2026 from 2:00 PM to 5:15 PM ...