Podcast
Questions and Answers
What is the purpose of adding freshly precipitated aluminium hydroxide to the filtrate?
Which process involves the reaction between an oxide and aluminium powder to produce a metal?
What is the purpose of smelting in the extraction of metals?
What is the distinguishing feature of the self-reduction process?
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Which process is used to extract metals such as chromium and manganese on a commercial scale?
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What is the primary purpose of the electrolytic refining process?
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Which of the following statements is TRUE about the reverberatory furnace?
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What is the reaction at the anode during the extraction of sodium?
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What is the primary difference between calcination and roasting?
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What is the process of extracting metals like gold and silver from their native ores?
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What is the primary purpose of leaching in metallurgy?
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What is the primary difference between smelting and refining?
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What is the reaction of tin oxide with carbon?
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What is the purpose of refining metals?
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What is the method of extraction used for metals like cadmium, copper, and silver?
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What is the primary purpose of cupellation?
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What is the final product obtained through Mond's process?
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Which of the following metals are refined using the Van Arkel process?
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What is the principle behind zone refining or fractional crystallisation?
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What is the result of heating impure silver in a blast of air using cupellation?
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Which method of refining involves the decomposition of a compound into a pure metal?
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What is the primary method of refining easily fusible metals like lead and tin?
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Which of the following metals can be purified by distillation?
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What is the purpose of fractional distillation in the metallurgy of zinc?
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Which of the following methods of refining involves the formation of a compound, which is then decomposed into a pure metal?
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What is the primary purpose of concentration or dressing of the ore?
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Which type of ores are very few in nature?
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What is the name of the process that separates ore particles based on the difference in specific gravity?
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What is the name of the table used in the gravity separation process?
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What is the term used to describe the large amount of unwanted impurities in the ore?
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