(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 Exam 2025 Paper Review: The Central Board of Secondary Examination (CBSE) has successfully concluded the class 12 Chemistry Board Exam 2025 today, February 27. The exam was ...

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 ...

(1) and (2) THE third edition of Prof. Find lay's “Practical Physical Chemistry” contains a description of several new experimental methods, especially in connection with the determination of ...

Students found the CBSE Class 12 Chemistry exam for 2025 manageable, with a well-structured paper focused on conceptual understanding and application-based knowledge. However, lengthy and complex ...