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प्रश्न
Which of the following is not a metal?
विकल्प
Copper
Sulphur
Aluminium
Iron
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उत्तर
Sulphur
Explanation:
Copper, aluminium and iron are metals but sulphur is not a metal.
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संबंधित प्रश्न
Name two alloys of iron. What elements are present in these alloys?
What is an alloy? How is an alloy made?
How are the properties of an alloy different from those of the constitutent elements?
Name a metal which is best conductor of electricity :
Soft metal : Na : : hard metal : _______
The metal which is liquid at room temperature is ______.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
Metals and non–metals are used for making ______, ______ and ______.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
