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They form magnesium oxide, copper oxide etc. and will form carbon dioxide as a byproduct.
[metal] oxide is the result. Iron oxide is called rust. Zinc oxide is called . . . zinc oxide which is a skin and wound soothing ointment.
what happens to calcium oxide and zinc oxide when heated?
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3.6 to 3.5 may be
Because the zinc is "oxydised" and the copper is "reduced"
The two do not react. Zinc is more active than copper and thus copper can not displace zinc.
They form magnesium oxide, copper oxide etc. and will form carbon dioxide as a byproduct.
I think you mean how do you extract copper from copper oxide, if so here's your answer. Take your copper oxide and heat it with something that is more reactive than copper. Carbon is a good example. The more reactive carbon will oxidise, taking the oxygen from the copper oxide leaving copper. copper oxide + carbon --> copper + carbon dioxide 2Cu0 + C --> 2Cu + CO2
SO4 (sulfate) is soluble only when combined with Ba2+, Pb2+, Ca2+, and Sr2+. Since ZnSO4 is not soluble, nothing happens.
u get zinc oxide
Zn(s) + CuO(s) → ZnO(s) + Cu(s) Copper metal and Zinc Oxide is formed.
It is 'freed' from oxygen
[metal] oxide is the result. Iron oxide is called rust. Zinc oxide is called . . . zinc oxide which is a skin and wound soothing ointment.
what happens to calcium oxide and zinc oxide when heated?
Zinc becomes plated with copper.
a redox reaction takes place ( one gains oxygen and the other looses oxygen) the zinc (oxide) is displaced and the iron becomes iron oxide and zinc oxide becomes zinc