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प्रश्न
Which one of the following element name is not derived from planet?
विकल्प
Plutonium
Neptunium
Uranium
Mercury
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उत्तर
Mercury
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संबंधित प्रश्न
Fill in the blank:
The change of a solid into a liquid is called melting or................
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Particles are quite close together.
Match the columns.
| (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) change from solid to liquid |
| (f) metals |
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Give reason
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- solid-state to liquid state
- liquid state to vapour state
- vapour state to liquid state
- liquid state to solid-state.
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