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प्रश्न
Fill in the blank
Matter is anything that has ______ and occupies ______
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उत्तर
Matter is anything that has mass and occupies space.
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संबंधित प्रश्न
Water cycle is an example of inter conversion of states of water. Explain.
Match the following
| Column A | Column B |
| (a) Solids | (1) Can flow in all directions. |
| (b) Sublimation | (2) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (3) Any number of free surfaces. |
| (d) Gases | (4) Gaps between particles. |
| (e) Intermolecular space | ro(5) Change of state fm solid to gas. |
Give two examples of the following:
Substances which are rigid and not compressible.
A solid is a state of matter that has
- no definite shape.
- large intermolecuiar space.
- high intermolecuiar force of attraction.
- no definite volume.
Give reason Gases can be compressed easily .
Give reason
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
Fill in the following blank with suitable words :
The smell of perfume gradually spreads across a room due to .....................
Give reasons for the following:
Water on freezing turns into ice.
State in which of the three states of matter:
The space between the particles is minimum.
