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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
Name the smallest particle from which matter is made up.
Define Intermolecular force of attraction.
How a liquid changes into its gaseous state ? Explain ?
Write true or false for each statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Match the following columns
| Column A | Column B | ||
| A. | A molecule is composed of | i. | does not exist free in nature. |
| B. | Ice, water and water vapour | ii. | can vibrate only up to about `10^-10`m from their mean position. |
| C. | An atom | iii. | atoms. |
| D. | Gases | iv. | are the three states of water. |
| E. | The molecules of a solid | v. | occupy space |
The molecules in a substance are in motion. What type of path do they follow?
The intermolecular force is _______ in the particles of solid.
Give two examples.
Liquid element
Give two examples.
Gaseous element
Particles of matter possess energy due to their random motion. Compare the particles in a solid, liquid and in gas with reference to the amount of kinetic energy possessed by each.
