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प्रश्न
The most common ore of iron is ________. (Calcium / Haematite)
उत्तर
The most common ore of iron is Haematite.
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संबंधित प्रश्न
State the main components of the following alloys:
Bronze
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Complete the statement using every given option.
During the extraction of aluminium..............
Chemical reaction of transformation of bauxite into alumina by Hall’s process.
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Al + N2 →
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What is the major impurity present in iron when it is removed from the furnace?
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List 2 Uses |
| 1. Aluminium | A. Steel making |
| 2. Lead | B. aeroplane wings |
| 3. Brass | C. galvanizing |
| 4. Iron | D. radiation shield |
| 5. Zinc | E. electricaI fittings |
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| Metal | 1 | 2 | 3 | 4 | 5 |
| Use | B |
The metals zinc and tin are present in the alloy
choose the most appropriate term to match the given description.
Crushing of the ore into a fine powder
