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प्रश्न
What are molecules?
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उत्तर
Molecules are the smallest unit of matter. They exhibit all the properties of that kind of matter and is capable of independent existence.
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संबंधित प्रश्न
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Explain why, the diffusion of a solid in another solid is a very slow process.
Compare the properties of solids, liquids and gases in tabular form.
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
Describe simple experiments to prove that solids occupy space
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
Complete the given analogy.
Solid: Definite shape:: ______: Shape of the vessel.
What is the physical state of water at 0°C.
Gases have neither a definite shape nor a definite volume.
How the matter is grouped on the basis of physical states?
