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Chemistry
1. Matter in Our Surroundings
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Q8 of 160 Page 17

What is the scientific name of particles which make up matter?

Atoms and molecules are the particles which make up matter.


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6

When an incense stick(agarbatti) is lighted in one corner of a room, its fragrance spreads in the whole room quickly. Which characteristic of the particles of matter is illustrated by this observation?

7

A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be broken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?

9

Name the process by which a drop of ink spreads in a beaker of water.

10

What is the general name of:

(a) rigid form of matter?


(b) fluid forms of matter?

Questions · 160
1. Matter in Our Surroundings
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