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Among the following group of oxides, the group that cannot be reduced by carbon to give the respective metals
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Important Questions on General Principles and Processes of Isolation of Elements (Metallurgy)
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The most common method, used for extraction of metals from oxide ores involves
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Which among following processes occurs at in blast furnace for extraction of iron
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Which of the following statements is correct during the extraction of copper?
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The carbon-based reduction method is NOT used for the extraction of
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Which of the following reduction reaction CANNOT be carried out with coke?
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What is flux? Give one example of each of an acidic flux and a basic flux.
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During the extraction of copper, the impurity is removed as slag by mixing the contaminated copper ore with silica and coke. The molecular formula of slag is
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The pair that does not require calcination is
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Which series of reactions correctly represents the chemical relations related to iron and its compound?
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Extraction of copper by smelting uses silica as an additive to remove.
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The correct statement related to the metal extraction processes is(are)
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Which of the following metals cannot be obtained by auto-reduction of their compounds?
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What is the role of silica in the metallurgy of copper?
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The addition of silica during the extraction of copper from its sulphide ore :-
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Which one is the ore of copper?
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Which of the following reactions is an example of calcination process?
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In the isolation of metals, calcination process usually results in:
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Among the reactions the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are:
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Identify the auto reduction reactions from the following:
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In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with:
