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प्रश्न
Name the method used for refining of copper metal.
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उत्तर
Copper is refined by an electrolytic method. Pure copper is obtained at the cathode.
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संबंधित प्रश्न
Purification of aluminium by electrolytic refining is carried out by
(a)Hoope process
(b)Hall process
(c)Baeyer process
(d)Serperck process
What is the role of cryolite in the extraction of aluminium?
Describe the roles of the following: SiO2 in the extraction of copper from copper matte
Which of the ores mentioned can be concentrated by magnetic separation method?
Write the names and chemical formulae of any ‘two’ minerals of aluminium.
Explain the following methods to protect metals from corrosion:
Passivation
Metal which is found in free state is:
Which among the following statement is correct?
The most abundant metal on earth is:
Which of the following is not ore of aluminium?
