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प्रश्न
The chemical formula of willemite is __
(a) ZnS
(b) ZnCO3
(c) ZnO
(d) Zn2SiO4
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उत्तर
The chemical formula of willemite is Zn2SiO4
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संबंधित प्रश्न
Write the names and chemical formulae of any one ore of iron.
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- CuO . CuC03
- Cu(OH)2 CuC03
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(D) cuprous oxide
Write chemical formulae of the following ores :
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(b) Haematite
(c) Magnetite
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(b)Hall process
(c)Baeyer process
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Name the method used for refining of copper metal.
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Galvanization
What is 'copper matte' ?
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(ii) How is impure zinc finally electro-refined?
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