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प्रश्न
The molecules in a substance are in motion. What type of path do they follow?
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उत्तर
The particles in a substance are not at rest (in motion), and they move randomly in all possible directions in a zig-zag Path
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संबंधित प्रश्न
Name the terms for the process due to which a solid directly changes into its vapours.
Define the following term Element .
Write true or false for each statement. Rewrite the false statement correctly.
Solids can be compressed easily.
Gases
Fill in the blank
All the molecules of a substance are .............
What is the approximate size of a molecule?
State the approximate spacing between two molecules of a matter.
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 a sweet, sour and salty taste and it can be poured into a glass.
