(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 ...

NCERT Class 12 Lab Manual 2024-25: This article will help the students get the lab manuals of all subjects for class 12. Students can easily download the FREE PDF through this article. Get here CBSE ...

CBSE Class 12 Board Practical Exam 2025-26: Whenever the Central Board of Secondary Education (CBSE) Class XII practical examinations near, tension mounts and uncertainty increases among students ...

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 ...

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 ...

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 has issued new rules for Class 10 and 12 practical exams for the 2025-26 academic year. Schools must conduct exams within strict deadlines. Marks upload must be done the same day. Class 10 ...