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प्रश्न
Write whether the following statement are true or false.
A gas has no free surface.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Write true or false for each statement. Rewrite the false statement correctly.
The smallest part of an element capable of independent existence is called an atom.
Name the phenomenon which causes the Formation of water vapour from water is
Give two examples for the following :
Substances that are rigid and not compressible.
What is volume?
Define Intermodular space.
Fill in the blank
Molecules in a ............ are packed very closely.
Identify the odd term out and explain.
Hydrogen, sodium, potassium, carbon
Give two examples.
Gaseous element
Describe simple experiment to show that particles of matter have the intermolecular attraction
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 'Y' | A: Liquefaction |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Solidification |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
| F: Boiling point |
