Răspuns:
AlCl3+3NaOH=Al(OH)3+3NaCl
3N2+3H2=2NH3
CaCO3=CaO+CO2
Zn+2HCl=ZnCl2+H2 ( se degajă)
2Na+H2SO4=Na2SO4+H2( se degajă)
2NaCl=2Na+ Cl2
4Al+ 3O2=2Al2O3
KCl+AgNO3=AgCl+KNO3
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Răspuns:
AlCl3+3NaOH=Al(OH)3+3NaCl
3N2+3H2=2NH3
CaCO3=CaO+CO2
Zn+2HCl=ZnCl2+H2 ( se degajă)
2Na+H2SO4=Na2SO4+H2( se degajă)
2NaCl=2Na+ Cl2
4Al+ 3O2=2Al2O3
KCl+AgNO3=AgCl+KNO3