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प्रश्न
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are far apart and move in all directions.
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उत्तर
Gas
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संबंधित प्रश्न
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
Explain the change of a solid into a liquid at a constant temperature.
Give a reason for the Pure substances have fixed melting or boiling points.
Fill in the blank
The physical state of a substance, which has a fixed volume but no fixed shape is ...............
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are quite close together.
Name the phenomenon which cause the following change.
Formation of water vapour from water.
Name the phenomenon which cause the following change.
Conversion of ice into water.
Fill in the blanks:
Water is a matter because it has ______ and occupies ______.
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
Complete the statement given below by selecting the correct word.
____ is an example of a crystalline substance.
