NCERT Solutions Class 9 Science Chapter 2 Is Matter Around Us Pure

NCERT In-Text Questions Solutions In-Text Questions Page 15 What is meant by a pure substance?Ans:- A pure substance consists of a single type of particles that cannot be separated into other kinds of matter by any physical process. List the points of differences between homogeneous and heterogeneous mixtures.Ans:- Differences between homogeneous and heterogeneous mixture: S. […]