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NIKITA PUBLICATION-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-Multiple choice questions
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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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- Off the following, the metals that cannot be obtained by electrolysis ...
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- During Hoope's process for eelctrolytic refining of Al, the middle lay...
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- Among following statement, the incorrect one is
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- In the commercial electrochemical process for aluminium extraction, th...
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- The chemical processes in the production of steel from haematite ore i...
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- The chemical composition of slag formed during the smelting process in...
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- Which of the following process is used in the extractive metallurgy of...
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