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 ...
CBSE MCQs on Class 9 Science Chapter 2: Is Matter Around Us Pure are quite useful for the upcoming annual exams as these questions will help students familiarise themselves with all important concepts ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback