(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 ...

When Class 12 students will sit down to write the CBSE Chemistry board exam, they are not just recalling equations or reaction mechanisms. They are being tested on something deeper and more durable: ...

The Central Board of Secondary Education (CBSE) will conduct the Class 12 Chemistry Board Exam on February 27, 2025. The exam will be held in a single shift from 10:30 AM to 1:30 PM. With only some ...

CBSE Board Exams 2026: The CBSE Class 12 Chemistry board examination began today, February 28, at 10:30 am and will conclude at 1:30 pm. Around 25 lakh students are appearing for the Class 12 exams at ...

Focus on high-weightage chapters and NCERT textbook for Chemistry exam. Review key formulas, reactions, and diagrams for improved understanding. Use mind maps, summary notes, and past papers for ...