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प्रश्न
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
उत्तर
| Iron | Sewing needle |
| Copper | For making wires |
| Tungsten | Making the filament of a bulb |
| Boron | As a fuel for ignition in rocket |
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