(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 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 ...

Class 12 Chemistry Paper: The long-answer section was comprehensive yet balanced CBSE Class 12 Chemistry Paper Review: The CBSE Class 12 Chemistry paper conducted today, February 28 from 10:30 am to 1 ...

The PSEB Class 12 Chemistry Exam 2026 was successfully conducted today, March 20, 2026, by the Punjab School Education Board ...

The HPBOSE Class 12 Chemistry Examination 2026 was successfully conducted today, March 23, 2026, across various exam centres.