Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumWhich of the following is an incorrect match?
- APurification of $Al$ metal : Baeyer's method
- BPolling : Reduction of $Cu_2O$
- C$FeCr_2O_4$ (chromite ore) : $NaOH/Na_2CO_3$
- D$Ag$ : Mac Arthur cyanide process
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$II$. Bronze is an alloy of copper and zinc
$III$. German silver is an alloy of copper,zinc and nickel
$IV$. Brass is an alloy of copper and zinc
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