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Match the following
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Name the vitamin that contains metal in it. Name the metal also
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Name some elements that can occur free in nature
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Define the term flux.
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Discuss the use of an acidic flux in metallurgy.
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Name and formula of two magnetic ores.
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Which types of ores are purified by hydraulic washing ? Give two examp...
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Which chemical is most commonly used as collector in froth floatation ...
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Why are sulphide ores converted to oxide form before reduction to meta...
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Discuss the process of roasting with suitable example.
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During roasting the temperature should be kept below its m.p. Why ?
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What type of the reduction method does the following reaction show (Be...
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Which reducing agent is commonly employed for reduction of (a) ZnO "...
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In some cases, Ellingham diagrams (graphs) show a bend. What do you re...
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On Ellingham diagrams if two graphs intersect each other, what does th...
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Name the four man zones of blast furnace in the extraction of Fe from ...
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Write the complete set of reactions occuring in the zone of reduction ...
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Coke can be used to reduce Cu(2)O. Explain it based on thermodynamic v...
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What is the impure copper collected from Bessemer converter commonly c...
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Name and formulate the main ore from which zinc is extracted.
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