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प्रश्न
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
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उत्तर
Natural matter: Wood, silk, coal, water, fruits, cotton
Man-made matter: Plastic, medicines, detergents, ceramic, glass, nylon.
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संबंधित प्रश्न
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Explain the change of a liquid into a gas at a constant temperature.
Give reason :
Why do liquids and gases flow but solids do not?
Fill in the blank
Any matter which has a definite ................. but no definite shape is called a ...............
Write whether the following statement is true or false
All solids, on heating, first change to the liquid and then to the gaseous state always.
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Name the phenomenon which cause the following change.
Disappearance of camphor.
Multiple choice question.
A solid is a state of matter that has
Differentiate between living and non-living 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 |
