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प्रश्न
Write true or false For the following Statement
The molecules in a substance arc in random motion.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Explain the change of a liquid into a gas at a constant temperature.
Fill in the blank
The physical state of a substance, which has a fixed volume but no fixed shape is ...............
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
All solids, on heating, first change to the liquid and then to the gaseous state always.
Write true or false for the statement. Rewrite the false statement correctly.
Solids can be compressed easily.
Name the phenomenon which cause the following change.
Conversion of water into steam.
Multiple choice question.
The state of matter which has no definite shape or volume is called
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?
State the correct term from A, B, C, D, E, or F in List II which represents the change of state of matter or its relevant property from List I.
| List I | List II |
| 1. Solid 'X' to a Liquid 'X' | A: Condensation |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Freezing |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting point |
| F: Boiling point |
What are the similarities between a gas and a liquid?
