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Access Answers of NCERT Class 9 Science (Chemistry) Chapter 1 – Matter in Our Surroundings (All in text and Excercise Questions solved) Exercise-1.1-1.2 Page: 3 Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume . Solution: The following substances are matter: Chair Air Almonds Lemon water. Give reasons for the following observation: The smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close. Solution: Particles in the air, if fueled with higher temperatures, acquire high kinetic energy which aids them to move fast over a stretch. Hence the smell of hot sizzling food reaches a person even at a distance of several meters. A diver is able to cut through water in a swimming pool. Which property of matter does this observation show? Solution: The diver is able to easily cut through the water in the swimming pool because of the weak forces of attraction between ...