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An ore of potassium is

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Important Questions on Metallurgy

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During electrolytic production of aluminium, the carbon anodes are replaced from time to time because 

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Consider the electrochemical cells(I and II) shown in the following figures and select the correct statement about these cells 

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In liquation process used for tin Sn, the metal
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Which of the following process is for purification of metals?
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Give one word or a phrase for the following statement:

  • Electrode used as a cathode in electrorefining of impure copper.
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In Alumino-Thermite process aluminium is used as 
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Refining using liquation method is the most suitable for metals with
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Which one of the following metals is refined by liquation?
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Which refining process is generally used in the purification of low melting metals?
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The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is
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For the electro-refining of copper, write the reaction that takes place at the anode.
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Electrolytic reduction is used to obtain metals which are:
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Which one of the following reactions occur at the anode, in the Castner process of extracting sodium metal?
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Tin & lead can be refined by -
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A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air. Identify the metal and its ore and give the reactions involved.
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In Down's method for the extraction of sodium, the melting point of the electrolyte is lowered by adding
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Electrolysis is used in the purification of metals. Name the electrolyte you would use to get pure copper from a piece of impure copper
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Electrolysis is used in the purification of metals. Name the anode you would use to get pure copper from a piece of impure copper.
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During the refining of an impure metal by electrolysis, the pure metal is deposited:
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Which one of the following electrolytes is used in Down's process of extracting sodium metal ?