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NIKITA PUBLICATION-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-Multiple choice questions
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- The chemical formula of diaspore an ore of alumium is
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- In electrorefining of copper,some gold is deposited as
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- Themite is the mixture of
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- Heating mixture of Cu(2)O and Cu(2)S will give
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- During the process of electrolyic refining of copper some metals prese...
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- Which of the following is a carbonate ore?
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- In the extraction of Cu from its sulphide ore, the metal is formed by ...
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- Which one of the following ores is best concentrated by froth flotatio...
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- When the sample of copper with the zinc impurity is to be purified by ...
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- Which of the following is not an ore of Iron
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- Aluminium is extracted in the electrolysis of :
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- Which of the following is magnetite ?
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- The purification of alumina is called
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- Bauxite is purified by
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- Which of the following is a sulphide ore?
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- At what temperature carbon monoxide reduces ferric oxide to Fe ?
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- The molecular formula of Glauber's salt is
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