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प्रश्न
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
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उत्तर
Take 100 ml of water in a measuring cylinder. Add 20 grams of salt in the water gently and stir it well so as to dissolve the salt well in water. It is noticed that the level of water does not change. It shows that the particles of salt occupy spaces between the particles of water.
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संबंधित प्रश्न
Define: Gas.
Name the terms for the force of attraction between the molecules of matter.
True or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Select the correct alternative
The diameter of a molecule is approximately
What are fluids? Give two examples.
Define Molecule.
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. |
Multiple choice question.
Which one is a kind of matter:
The intermolecular force is _______ in the particles of solid.
Write scientific reason.
A solid matter has the properties of definite shape and volume.
