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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
पर्याय
it is dull
lustrous and attractive
highly reactive
very cheap
MCQ
उत्तर
lustrous and attractive
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संबंधित प्रश्न
Why is it necessary to separate the constituents of a mixture.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Marble
Name: a Liquid Non-metal
Name: the Hardest Naturally Occurring Substance
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How is sodium chloride different from its constituent elements, sodium and chlorine in its properties? Justify.
Explain the term ‘mixture’.
Match the following.
| Atom | Building block of matter |
| Element | Atoms of different kinds |
| Compound | Atoms of the same kind |
| Molecule | Smallest unit of a substance |
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
What is the Latin name of Sodium?
