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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
Give two example of the following:
The substances which do not change their state on heating.
What is volume ?
Why do solids, liquids and gases differ in their physical states ?
Name the phenomenon which cause the following change:
Conversion of water into steam.
The process by which a solid changes into a liquid is called
- freezing
- melting
- condensation
- evaporation
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 two characteristics of matter demonstrated by diffusion.
Fill in the blank:
The three states of matter are classified on the basis of differences of certain _________.
Complete the statement by filling the blank with the correct word given below.
When inter-particle space increases, the inter-particle attractive force _______________.
Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has the only curd. What can she do to get buttermilk? Explain
