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प्रश्न
Write true or false for the statement. Rewrite the false statement correctly.
Solids and liquids can flow.
विकल्प
True
False
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उत्तर
False.
Gases and liquids can flow.
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संबंधित प्रश्न
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Write true or false for each statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
Give one difference between atoms and molecules.
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 |
Multiple choice question.
A kind of matter which can sublime is
Identify the odd term out and explain.
Hydrogen, sodium, potassium, carbon
Give a reason for the following:
Globules of mercury kept in a petri dish, which is shaken slowly, come together forming a big globule.
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.
