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SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
- In which of the following minerals, aluminium is not present ?
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- In the froth floatation process of concentration of ores, the ore part...
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- What is the function of potassium ethyl xanthate in froth floatation p...
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- NaCN is sometimes added in the froth floatation process as a depressan...
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- Which of the following metals can be extracted by smelting?
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- The process in which metal oxide is reduced to metal is called
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- The most abundant element in the earth's crust (by weight) is :
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- The main function of roasting is :
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- An ore after levigation is found to have acidic impurities. Which of t...
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- When limestone is heated, carbon dioxide is given off. This operation ...
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- Delta G^@ - T plot in Ellingham 's diagram slopes are downward for the...
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- Which of the following pairs of metals is purified by Van Arkel metho...
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- Identify an alloy containing a non- metal as a constituent in it.
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- During electrolyte refining of copper some metals present as impurity ...
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- 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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