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प्रश्न
Match the column.
| Column A | Column B |
| 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. changes from solid to liquid |
| f. metals |
जोड्या लावा/जोड्या जुळवा
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उत्तर
| Column A | Column B |
| 1. iron and gold | f. metals |
| 2. melting | e. changes from solid to liquid |
| 3. intermolecular space | d. the space between the molecules |
| 4. compound | b. pure substance |
| 5. gases | a. molecules are very far apart |
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Composition of Matter
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संबंधित प्रश्न
Write your observation and conclusion for the following:
When few marbles are put in a glass half-filled with water.
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Give reason Pure substances have fixed melting or boiling point .
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Liquids and gases .
The molecules of each substance are identical.
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What do you mean by inter-molecular forces?
If an object is taken to the moon from the earth what will be its mass?
Give two examples.
Gaseous element
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
