Class 9 Science Chapter 2 | Is Matter Around Us Pure NCERT Solutions Page 15 1.What is meant by a substance? Answer: A pure substance is the one that consist of a single type of particle i.e. all constituent particles of the substance have the same chemical nature. 2. List the points of differences between homogeneous and heterogeneous … [Read more...] about Chapter 2 Is Matter Around Us Pure
Class 9
Chapter 1 Matter in Our Surroundings
Class 9 Science Chapter 1 Matter in Our Surroundings NCERT Solutions Question Answers, Page 3 1. Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, cold drinks , lemon, water, smell of perfume. Answer: Anything which occupies space and has mass is called matter. There are three states of matter: solid, liquid and gas. Chair, … [Read more...] about Chapter 1 Matter in Our Surroundings