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NARAYNA-METTALURGY-Single Answer Questions
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- Pb and Sn are exerted from their chief ores by:
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- Which ore contains both iron and copper?
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- Match the extraction processes listed in column I with metals listed i...
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- Extraction of zinc from zinc blende is achieved by:
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- Black tin is
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- Match the conversions in Column I with the type(s) of reaction(s) give...
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- When the sample of copper with the zinc impurity is to be purified by ...
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- Cyanide proces is used for the extraction of
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- Aluminium is extracted in the electrolysis of :
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- The metal extracted by leaching with cyanide is
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- Which one of the following ores is best concentrated by froth flotatio...
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- Heating mixture of Cu(2)O and Cu(2)S will give
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- During the process of electroytic refining of copper some metals prese...
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