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प्रश्न
Each of the three states of matter has mass. Explain with the help simple experiments – that each state of matter has mass.
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उत्तर
Matter i.e. solids, liquids, and Gases have mass explained by the following experiments.
(1) Solid
Experiment: A solid placed on one side of the scale, causes the scale to tilt towards one side.
Conclusion: The scale tilts due to the mass of the solid, hence all solids have mass.
(2) Liquid:
Experiment: A liquid placed on one side of the scale, causes the scale to tilt towards one side.
Conclusion: The scale tilts due to the mass of the liquid, hence all liquids have mass.
(3) Gas:
Experiment: An inflated balloon placed on one side of the scale causes it to tilt towards one side.
Conclusion: The scale tilts due to the mass of the gas, hence all gases have mass.
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संबंधित प्रश्न
What happens to water if it is heated and Explain the phenomenon of change of state of water.
What is volume ?
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Write whether the following statement is true or false.
A gas has no free surface.
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- cannot be compressed easily,
- occupy the entire space of the container.
- have definite shapes.
- cannot flow.
Give reason of We can walk through air.
Give an experiment to explain that there are intermolecular spaces between water molecules.
What is the general name of :
- rigid form of matter ?
- fluid forms of matter ?
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
Fill in the blank:
Particles in a gas possess ___________ kinetic energy.
