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प्रश्न
What is mass?
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उत्तर
Mass is the quantity of matter contained in the body.
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संबंधित प्रश्न
State three main characteristics of the particles of matter.
What do you mean by inter-molecular forces?
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
Solids retain their volume even when external pressure is applied. This property is called ______.
Water, mercury and bromine are similar to each other, because three are ______.
Identify the odd term out and explain.
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 |
Fill in the blank:
Matter made up of one kind of particle is said to be _________.
Write scientific reason.
Lemon sherbat has a 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.
