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प्रश्न
Write your observation and conclusion for the following
When one of the balloons suspended to the metre scale is punctured while other remains inflated ?
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उत्तर
Take two similar balloons and inflate them equally. Suspend one balloon to the left of a metre scale and the other one to the right of it, as shown in the figure below. Balance the scale in the middle with the help of a peg.
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संबंधित प्रश्न
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
Give reason for the following.
Pure substances have fixed melting or boiling points.
A solid is a state of matter that has
- no definite shape.
- large intermolecuiar space.
- high intermolecuiar force of attraction.
- no definite volume.
If an object weighs 6 kg on earth. What will be its weight on moon ?
Give reason Gases can be compressed easily .
How will you prove by an experiment that solids occupy space ?
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be taken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?
State in which of the three states of matter:
Are the atoms or particles far apart
Complete the statement by filling the blank with the correct word given below.
In naphthalene, the inter-particle attraction is _______.
Air is not compressible.
