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प्रश्न
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.
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उत्तर
- Iron is a metal.
- Metals are good conductors of electricity.
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संबंधित प्रश्न
The atomic number of an element X is 12.
- What must an atom of X do to attain the nearest inert gas electron configuration?
- Which inert gas is nearest to X?
A metal which is neither ductile nor malleable is
State two important uses of following metals:
Uses of iron
Write name.
The reagent that dissolves noble metals.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
Match the alloys given in column I to the uses given in column II :
| Column I | Column II |
| (i) Duralumin | A. Electrical fuse |
| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
With reference to the following metals state their use in daily life metal:
copper
With reference to the following metals state their use in daily life metal:
Zinc
With reference to the following metals state their use in daily life metal:
Silver
Write the name.
Two highly reactive metals-
