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प्रश्न
Write your observation and conclusion for the following:
Ice is kept at room temperature.
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उत्तर
Ice when kept at room temperature again changes back into liquid water.
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संबंधित प्रश्न
Define: Solid
Gases
Define Intermodular space.
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
Identify the odd term out and explain.
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 |
Give a reason for the following:
An empty tumbler lowered into a glass beaker containing water, on tilting shows bubbles of air coming out, but when not tilted, no bubbles are seen.
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.
