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SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
- According to Ellingham diagram, the oxidation reaction of carbon to ca...
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- Which of the following reaction is an example of calcination process ?
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- What is benefaction of ore ?
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- Name one important ore and alloy copper.
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- How slag is formed in metal extraction ?
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- What is mean by pyrometallurgy ?
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- Name three alloys of Copper
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- The ore that can be concentrated by magnetic separation method, are .....
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- What is difference between mineral and ore ?
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- Name the deprassant which is used to separate ZnS from PbS ores in fro...
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- Name two collectors used in froth floatation process.
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- Name one acidic and one basic flux.
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- Why do some metals occur in the native state ?
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- What is the role of stabilizer in froth floatation process ?
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- An ore of galena (PbS) is contaminated with Zinc blende (ZnS). Name on...
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- Which types of ores are roasted ?
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- Name the method used for the refining of copper metal.
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- Why sulphide ores are concentred by froth floatation process.
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- Which process is used for refining of metals which are used as Semicon...
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- What is formed when a flux reacts with a gangue material?
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