(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 Board Class 12 Chemistry Exam 2025: The Central Board of Secondary Education (CBSE) is scheduled to begin the CBSE Class 12 Chemistry Board Exam 2025 tomorrow, February 27, 2025. The Chemistry ...
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 ...