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प्रश्न
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
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उत्तर
| Solids | Liquids | Gases |
| Coal | Kerosene | Oxygen |
| Wood | Milk | Water vapour |
| Sugar | Blood | |
| Wax |
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संबंधित प्रश्न
Name the terms for the process due to which a solid directly changes into its vapours.
Write true or false for each statement. Rewrite the false statement correctly.
The smallest part of an element capable of independent existence is called an atom.
Gases
Name the smallest particle from which matter is made up.
Define Element.
Give reason :
The odour of scent spreads in a room.
Give reason :
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
Match the column.
| Column A | Column B |
| 1. iron and gold | a. molecules are very far apart |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| 5. gases | e. changes from solid to liquid |
| f. metals |
Describe simple experiment to show that particles of matter have the intermolecular attraction
