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प्रश्न
Water obtained from tube wells is usually ______ water.
रिकाम्या जागा भरा
उत्तर
Water obtained from tube wells is usually Impure water.
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संबंधित प्रश्न
What are fluids ? Give two examples.
Name the three states of matter and define them.
Name the phenomenon which cause the following change:
Formation of water vapour from water.
The process by which a solid changes into a liquid is called
- freezing
- melting
- condensation
- evaporation
Gases
- cannot be compressed easily,
- occupy the entire space of the container.
- have definite shapes.
- cannot flow.
What is mass ?
Define the following term Intermolecular force .
Give reason of Why do liquids and gases flow but solids do not ?
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
Give a reason why:
Gases have no definite volume and no definite shape.
