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प्रश्न
A substance which can change its state
विकल्प
wood
oxygen
paper
cloth
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उत्तर
oxygen
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संबंधित प्रश्न
Why are liquids and gases called as fluids.
Define interconversion of states of matter.
Name the terms for the process due to which a solid directly changes into its vapours.
Give two examples for the following :
Substances which sublime.
What are molecules?
Define Molecule.
Give reason :
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
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.
