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प्रश्न
Describe the roles of the following: SiO2 in the extraction of copper from copper matte
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उत्तर
In the extraction of copper from copper matte, SiO2 is used to remove iron oxide as slag
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संबंधित प्रश्न
Write the names and chemical formulae of any one ore of zinc.
Write the names and chemical formulae of any one ore of iron.
Mention names and formulae of two ores of alumunium.
Draw neat and labelled diagram of Bessermer converter used in the extraction of copper.
In the extraction of Al, impure Al2O3 is dissolved in conc. NaOH to form sodium aluminate and leaving impurities behind. What is the name of this process?
Explain the following methods to protect metals from corrosion:
Passivation
Bauxite has the composition
Which among the following statement is correct?
Extraction of zinc from zinc blende is achieved by:-
Calamine and Malachite, respectively, are the ores of ______.
