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प्रश्न
One kind of matter can be distinguished from another by its physical properties and chemical properties.
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उत्तर
Physical Properties— They are those properties which include state, colour, odour, density etc.
Chemical Properties— They are properties which include reactions of different materials with different chemicals.
संबंधित प्रश्न
Evaporation takes place over the entire mass of the liquid.
Discuss the three states of matter solid, liquids and gas on the basis of molecular model.
Write true or false for the following statement
In a gas, the molecules can move anywhere in space.
Fill in the blank
The molecular motion in liquid and gas is in ................. path.
Select the correct alternative
The solids are
Fill in the blank
Water boils at .............
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are far apart and move in all directions.
Give two examples for each type of matter
Match the following
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Gaps between particles |
| e | Intermolecular space | 5 | Change of state from solid to gas |
Which one is a kind of matter
