(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 Books for Class 12 Chemistry: NCERT Books are incredibly helpful for students aiming to build a strong foundation and truly understand key concepts. These textbooks are carefully published ...

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 ...

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 ...

Today, on Monday, March 9, 2026, the Assam Higher Secondary Education Council (AHSEC) conducted the Class 12 Chemistry exam.