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प्रश्न
Give reasons for the following:
Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.
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उत्तर
Solids have very closely packed atoms with minimum spaces between them while gases have atoms which are for apart with maximum spaces between them. Solids have a definite shape and are highly rigid while gases have no definite shape and are least rigid.
संबंधित प्रश्न
Write your observation and conclusion for the following.
When a small stone is gently dipped into a glass filled with water.
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
Match the columns.
| (1) iron and gold | (a) molecules are very far apart |
| (2) melting | (b) pure substance |
| (3) intermolecular space | (c) non - metals |
| (4) compound | (d) the space between the molecules |
| (5) gases | (e) change from solid to liquid |
| (f) metals |
Write your observation and conclusion for the following,
When a small stone is gently dipped into a glass filled with water.
When a beam of sunlight enters a room through a window, we can see tiny particles X suspended in a gas (or rather a mixture of gases) Y which are moving rapidly in a very haphazard manner.
- What could particles X be ?
- Name the gas (or mixture of gases) Y.
- What is the phenomenon exhibited by particles X known as ?
- What is causing the movement of particles X ?
- What conclusion does the existence of this phenomenon give us about the nature of matter ?
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to shape.
Fill in the blank:
The intermolecular force of attraction is ___________ in solids.
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter, where the inter-particle attraction between particles is maximum.
Complete the statement by filling the blank with the correct word given below.
In naphthalene, the inter-particle attraction is _______.
The property to flow is unique to fluids. Which one of the following statements is correct?
