Matter in Our Surroundings Class 9 Notes: CBSE Class 9 Science revision notes for Chapter 1- Matter in Our Surroundings are available here. These notes are entirely according to the latest CBSE ...

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 ...