Questions
Among the following groups of oxides, the group containing oxides that cannot be reduced by carbon to give the respective metals is
a
Cu2O,SnO2
b
Fe2O3,ZnO
c
CaO,K2O
d
PbO,Fe3O4
detailed solution
Correct option is C
Ca and K are strong reducing agents, hence their oxides can not be reduced with carbonTalk to our academic expert!
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The phenomenon of removing layers of basic oxides from metals before electroplating is called
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