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 ...

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, ...

As per reports, starting 2026-27, NCERT has added Earth science as a section along with Physics, Chemistry and Biology in CBSE Class 9 Science syllabus. Here's all you need to know.

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 ...