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प्रश्न
Give two example of the following:
The substances which do not change their state on heating.
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उत्तर
Gases do not change their state on heating.
Example: O2.
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संबंधित प्रश्न
What are the characteristics of particles of matter?
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Fill in the blank.
Water is a matter because it has mass and occupies _______
Fill in the following blank with suitable words :
The smell of perfume gradually spreads across a room due to .....................
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Have no definite shape, volume or free surface | A: Solids only |
| 2. Are highly compressible and least rigid | B: Liquids only |
| 3. Have a definite volume, no definite shape and are slightly diffusable | C: Gases only |
| 4. Are not compressible and have no diffusability | D: Liquids and gases only |
| 5. Have mass and occupy space | E: Solids and gases only |
| F: Solids, liquids and gases |
Fill in the blanks:
Matter is defined as anything that occupies _______ and has _______
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.
