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प्रश्न
Define Matter.
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उत्तर
Anything that has mass and occupies space is called matter.
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संबंधित प्रश्न
Why are liquids and gases called as fluids.
Fill in the blank:
The molecules are made up of ________
What are fluids ? Give two examples.
How a liquid changes into its gaseous state ? Explain ?
Write true or false for each statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Fill in the blank:
Matter made up of one kind of particle is said to be _________.
Give a reason for the following:
A crystal of iodine on slow heating in a closed flask turns into vapours and fills the complete flask.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
