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प्रश्न
Match the columns.
| Group A | Group B |
| 1. ZnS | a) Copper Sulphide |
| 2. HgS | b) Bauxite |
| c) Cinnabar | |
| d) Zinc blend |
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उत्तर
| Group A | Group B |
| 1. ZnS | d) Zinc blend |
| 2. HgS | c) Cinnabar |
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संबंधित प्रश्न
brown powder deposit on iron?
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Name:
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With a labelled diagram, explain the electro-refining of a particular metal.
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......................
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The following is a sketch of an electrolytic cell used in the extraction of aluminium :
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(c) What are the two aluminium compounds in the electrolyte C?
(d) Why is it necessary for electrode B to be continuously replaced?
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Write the molecular formulae of the following compound.
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Explain concept with example/explain with the help of a balanced equation.
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Identify the following method of concentration of ores and explain briefly.
Observe the figure and name and explain in brief the following method:
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Metallurgy
