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प्रश्न
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
जोड्या लावा/जोड्या जुळवा
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उत्तर
| Column A | Column B |
| (a) Solids | (iii) Any number of free surfaces. |
| (b) Sublimation | (v) Changes of state from solid to gas. |
| (c) Boiling point | (ii) The temperature at which a liquid changes into its gaseous state. |
| (d) Gases | (i) Can flow in all directions |
| (e) Intermolecular space | (iv) Gaps between particles. |
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Composition of Matter
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संबंधित प्रश्न
Define: Liquid.
Define: Gas.
Define Intermolecular space.
Give reason We need to classify things .
Fill in the blank
The temperature at which a liquid boils is called the _________point of that liquids
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
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 |
Multiple choice question.
A substance which can change its state
Solids retain their volume even when external pressure is applied. This property is called ______.
