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प्रश्न
Give two examples for the following :
Substances which sublime.
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उत्तर
Naphthalene, camphor, dry ice.
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संबंधित प्रश्न
Write your observation and conclusion for the following:
Ice is kept at room temperature.
Define the following term Element .
Write true or false for each statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Select the correct alternative
The inter-molecular forces are strongest in
What do you mean by inter-molecular forces?
Define the Intermodular force of attraction.
Multiple choice question.
Which one is a kind of matter:
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 |
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
