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प्रश्न
Fill in the blank
Matter is anything that has .......... and occupies ...........
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उत्तर
Matter is anything that has mass and occupies space.
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संबंधित प्रश्न
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
Name the smallest particle from which matter is made up.
State whether the following statement is True or False:
Only water can exist in three different states
Write whether the following statement are true or false.
A gas has no free surface.
Give two examples for the following :
Substances which sublime.
What is a molecule?
Give one difference between atoms and molecules.
Give reason :
The odour of scent spreads in a room.
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. |
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.
