SUPER OGROMNA PROŚBA zadanie 8 i 9 str 46 chemia w zadaniach i przykładach dla klasy I gim.
Zadanie 8
a)2H2+O2->2H2O b)H2+Cl2->2HCl c)2Al+3S->Al2S3 d)C+2H2->CH4 e)4K+O2->2K2O f)Ca+H2->CaH2 g)6Fe+Cl2->2Fe3Cl
Zadanie 9
a)2Mg+O2->2MgO b)Fe+S->FeS c)CuO+H2->H2O+Cu d)2H2O->2H2+O2 e)PbO2+2C->Pb+2CO f)2K+Cl2->2KCl
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Zadanie 8
a)2H2+O2->2H2O
b)H2+Cl2->2HCl
c)2Al+3S->Al2S3
d)C+2H2->CH4
e)4K+O2->2K2O
f)Ca+H2->CaH2
g)6Fe+Cl2->2Fe3Cl
Zadanie 9
a)2Mg+O2->2MgO
b)Fe+S->FeS
c)CuO+H2->H2O+Cu
d)2H2O->2H2+O2
e)PbO2+2C->Pb+2CO
f)2K+Cl2->2KCl