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प्रश्न
Name the smallest particle from which matter is made up.
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उत्तर
The smallest particle from which matter is made up is the atom.
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संबंधित प्रश्न
Define Intermolecular force of attraction.
State the general properties of a solid.
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 |
What is the relation between intermolecular space and intermolecular force?
Fill in the blank
Molecules in a ............ are packed very closely.
Solids retain their volume even when external pressure is applied. This property is called ______.
Write a scientific reason.
Hydrogen is combustible, oxygen helps combustion, but water helps to extinguish fire.
Write scientific reason.
A solid matter has the properties of definite shape and volume.
Write scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Write scientific reasons.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
