(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 Lab Manual PDF: This article contains direct links to download the latest NCERT Chemistry lab manuals for Class 12 Chemistry. Also, check the CBSE Class 12 Chemistry practical ...
The Central Board of Secondary Education (CBSE) has issued new guidelines and SOPs for practical exams, project work, and internal exams for Class 10 and 12 students for the 2025-26 academic year. The ...