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प्रश्न
Give a reason why –
Solids have a definite volume & a definite shape.
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उत्तर
Any matter that is solid has a definite shape and a definite volume. The molecules in a solid are in fixed positions and are dose together. Although the molecules can still vibrate, they cannot move from one part of the solid to another part. As a result, a solid does not easily change its shape or its volume.
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संबंधित प्रश्न
Define the following term.
Element
Name the phenomenon which cause the following change:
Formation of water vapour from water.
A solid is a state of matter that has
- no definite shape.
- large intermolecuiar space.
- high intermolecuiar force of attraction.
- no definite volume.
Give reason of Liquids have definite volume but no difinite shape.
There are large intermolecular gaps in
A solid is a state of matter that has
Each of the three states of matter has mass. Explain with the help simple experiments – that each state of matter has mass.
A measuring cylinder is filled with water to a particular mark. A piece of solid is immersed inside the measuring cylinder. State why the level of water in the measuring cylinder will rise up. If the solid is removed, what will be the new level of the water in the measuring cylinder? Give a reason for your answer.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.
Explain the term ‘interconversion of matter’ with ice as a starting material.
