December 2018 2 18 Report
Uzupełnij równania reakcji chemicznych
a) Fe + H2SO4=........+........
b) PbO+........=PbSO4+.......
c) H2S=+......=MgS+.......
d) Ca+......=CaCl2+.....
e) KOH+HCl=......+.......
f) Al2O3+......=Al2(SO4)3+.....
g)MgO+.....=MgSO4+.....
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