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 ...
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 ...
CBSE Class 9 Science Syllabus 2023-24: In class 9, students are introduced to three major divisions of Science which are Physics, Chemistry and Biology. At this level, the Science curriculum is vast ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback