(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 Chemistry Exam 2026: The Central Board of Secondary Education (CBSE) is tentatively going to schedule the CBSE Class 12 Chemistry 2026 exam on 28 February, 2026. Chemistry is one ...

CBSE Class 12 Board Exam 2025 Live: Chemistry paper started at 10.30 am today and concluded at 1.30 pm today. Follow the blog for paper analysis, guidelines and other details. CBSE Class 12 Board Exam ...

Focus on high-weightage chapters and NCERT textbook for Chemistry exam. Review key formulas, reactions, and diagrams for improved understanding. Use mind maps, summary notes, and past papers for ...