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प्रश्न
Which of the following statements is correct?
पर्याय
All metals are ductile.
All non-metals are ductile.
Generally, metals are ductile.
Some non-metals are ductile.
उत्तर
Generally, metals are ductile
However, mercury metal− a liquid at room temperature − cannot be drawn into wires and is not ductile.
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संबंधित प्रश्न
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| A | 2, 8, 1 |
| B | 2, 8, 7 |
| C | 2, 4 |
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(b) Which of these elements are non-metals?
(c) Which two elements will combine to form an ionic bond?
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a metal which can float on water
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Amphoteric oxide …………
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| Metals | Non-metals |
| (i) ………………….. | Poor conductors of heat |
| (ii) Malleable | …………………… |
| (iii) Form positive ions | …………………… |
| (iv) ………………… | Form acidic oxides |
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| a. Potassium bromide (KBr) | 1. Combustible |
| b. Gold | 2. Soluble in water |
| c. Sulphur | 3. No chemical reaction |
| d. Neon | 4. High ductility. |
