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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
- In electrorefining process the impure metal is made as .
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- The volatile metal is :
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- Explain the following terms: Tyndall effect
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- The region in which metals are found in earth is called :
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- Aluminothermic process is used for the extraction of metals, whose oxi...
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- The metal that cannot be obtained by electrolysis of the aqueous solut...
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- A process employed for the concentration of sulphide ore is :
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- A mineral is known as ore if metal
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- The slag obtained during the extraction of copper pyrites is composed ...
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- Zone refinning is used form the
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- Electrolysis is used in :
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- Which of the following process is used for the concentration of Bauxit...
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- Mac Arthur process is used for :
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- The earthy impurities associated with mineral used in metallurgy are c...
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- Aluminothermic process is used in the metallurgy of
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- In the electrorefining of copper, some gold is deposited as :
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- During smelting, an additional substance is added which combines with ...
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- A basic lining is given to a furnace by using
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- Purification of silicon element used in semiconductors is done by :
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- Which is the incorrect statement in the following ?
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