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प्रश्न
Give reason We need to classify things .
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उत्तर
We need to classify things in order to distinguish them. In this way, things can be categorized and can be easily studied.
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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 ________
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
How a liquid changes into its gaseous state ? Explain ?
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
The process by which a solid change into a liquid is called
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 |
Write scientific reasons.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
