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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
- The process in which metal oxide is reduced to metal by Al is called
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- During smelting, the additional substance added, which combines with i...
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- An ore after levigation is found to have acidic impurities. Which of t...
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- Which of the following metals is. ieached by cyanide process
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- Which of the following metals can be extracted by smelting
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- Alkalt metáls do not exist in free state in niature because. these are
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- Smelting involves reduction of metal oxide with
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- Heating pyrites to remove sulphur is called
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- Extraction of silver form 'Ag2 ~S' by the use of soidum cyanide is an ...
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- In the aluminothermite process alluminium acts as
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- In the extraction of copper from its sulphide ore, the metal is formed...
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- Silver is obtained from Na [ '.Ag(CN)2]' by reaction with
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- Van Arkel method of purification of metals involves converting the met...
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- Heating an ore in the absence of air. below its melting point is calle...
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- In the froth floatation process for benefication of the ores, the ore ...
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- Galena is an ore of
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- For which ore of the metal, froth floatation method is used for concen...
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- The froth floatation process is based upon
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- Which one of the following ores is best concentrated by froth floatati...
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- Cassiterite is an ore of
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