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प्रश्न
Fill in the blank
The temperature at which a liquid boils is called the _________point of that liquids
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उत्तर
The temperature at which a liquid boils is called the boiling point of that liquids
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संबंधित प्रश्न
State three main characteristics of the particles of matter.
Fill in the blank:
The molecules are made up of ________
Give reason We need to classify things .
Write whether the following statement are true or false.
All solids, on heating, first change to the liquid and then to the gaseous state always.
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 |
Define matter. What is its composition?
If an object is taken to the moon from the earth what will be its mass?
Define Element.
Give reason :
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Identify the odd term out and explain.
