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प्रश्न
What is mass ?
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उत्तर
Mass is the quantity of matter contained in the body.
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संबंधित प्रश्न
What are fluids ? Give two examples.
How a liquid changes into its gaseous state ? Explain ?
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated ?
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
What is volume ?
Write your observation and conclusion for the following,
When a small stone is gently dipped into a glass filled with water.
Write whether the following statement are true or false.
Solids have the largest inter-molecular space.
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
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 for the following:
Liquids have one free upper surface only.
