7+ hour, 27+ min ago  (217+ words) With the CBSE Class 12th Chemistry exam scheduled on 28 Feb 2026, time is extremely limited. If textbook revision is not working, switch to exam-oriented one-shot videos that condense the syllabus using PYQs and high-weightage concepts. These three videos together provide a complete,…...

1+ day, 19+ hour ago  (1841+ words) 30 Most Expected Questions for CBSE Class 12 Chemistry Exam 2026 D-block elements are located between the S-block and P-block in the periodic table, spanning Group 3 to Group 12. They comprise 40 elements whose last electron enters a d-orbital. These elements are organized into four…...