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प्रश्न
State two characteristic properties of a solid.
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उत्तर
The characteristics of solids are listed below:
- Solids have fixed shape and fixed volume.
- The particles of solid are very densely packed.
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संबंधित प्रश्न
Give reasons
A red ink drop added to small amount of water in a glass turns the water red in some time.
Fill in the blanks:
The physical state of a substance, which has neither fixed volume nor fixed shape is a ______.
Write whether the following statements are true or false:
Only water can exist in three different states
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | ||
| 2 | Drawing room | ||
| 3 | Kitchen | ||
| 4 | bathroom | ||
| 5 | Any other place |
Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:
(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles
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.
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Complete the Analogy:
Solids: incompressible:: Gas: ______.
What is the physical state of water at 250°C.
What is the physical state of water at 100ºC?
