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Lesson1 page number 3 questions

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Lesson1 page number 3 questions
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Ritika Singh 3 months, 2 weeks ago

1.which of the following are matter? Chair, air ,love, smell ,hate, almond, thought ,cold ,lemon water ,smell of perfume Ans. Chair, air, almonds, lemon water 2.Give reason for the following observation a. A smell of hot sizzling food reaches you several metres away but to get the smell from cold food you have to go close a. It is because on increasing temperature the kinetic energy of particle increasing and hence the rate of diffusion decreases. 3.A driver is able to cut through water in swimming pool which property of matter does this observation show Ans. This observation show the particle of water has space between them and their having less forces of attraction that is why the diver is able to cut through water. 4.What are the characteristics of the particles of matter Ans following are the characteristic of particles of matter:- 1. matter are made up of small particles 2. particles of matter have space between them 3. these particles are continuously moving 4.particles of matter attract each other
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