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MATTERS IN OUR SURROUNDING

* What is matter?

A: Anything that occupied space and it has mass. Matter can be visible and invisible.

* What is Material?

A: Particular sample of matter called material.

* Kinetic theory of particles.

A:1. The matter is composed of very tiny particles called atom or molecules or ions.

2. There is a space available between neighbouring particles .This space is called inter particles space.

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