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प्रश्न
There are large intermolecular gaps in
विकल्प
water
iron ball
common salt
air
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उत्तर
air
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संबंधित प्रश्न
Give reasons:
Solids cannot be compressed.
Give two example of the following:
The substances which do not change their state on heating.
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Match the columns.
| (1) iron and gold | (a) molecules are very far apart |
| (2) melting | (b) pure substance |
| (3) intermolecular space | (c) non - metals |
| (4) compound | (d) the space between the molecules |
| (5) gases | (e) change from solid to liquid |
| (f) metals |
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?
Each of the three states of matter has mass. Explain with the help simple experiments – that each state of matter has mass.
State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle space maximum.
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
