NCERT Class 9 Science Book PDF: The National Council of Educational Research and Training (NCERT) has revised the Class 9 Science NCERT Book with the deletion of certain chapters and topics to reduce ...

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, ...

Explanation: A pure substance is one which is made up of only one kind of atoms or molecules. They have the same composition throughout. 2.Rusting of an article made up of iron is called (a) corrosion ...

In the following table, you can check the portion of Class 9 Science NCERT Book that has been deleted and is not to be assessed in examinations. The names of the deleted topics and their respective ...