6.Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 gm. Molar atomic mass of Magnesium is 24 gm/mol. 7.Write postulates of Daltion's atomic theory (at least three).

CBSE Class 9 Term 2 Exam 2022: Important case based questions for CBSE Class 9 Science are provided here students to prepare for the upcoming Term 2 Exam 2022. All the questions provided below are ...

CBSE has increased the number of competency-based questions in the exam pattern thus making it more important for students to get acquainted with the syllabus for all subjects. Below we have provided ...

To help Class 9 students score high marks in the Annual Exam 2026, we have compiled complete CBSE Class 9 Study Material 2025-26 including syllabus, deleted topics, NCERT books, NCERT solutions, MCQs, ...

Students' biggest concern when doing classroom learning is conceptual clarity and connectivity with the topics. Today, as part of the goal to make education more competency driven, daily life examples ...