Question

Na + НCl→
Ba +Н2O →
Рв+ HNO3 →
Fe+НZ →
Мg+AgNO3 →
Al+ Н2O →
Cu+ Al2 ( SO4)3 →
 Zn+Н2SO4 →  

Answer 1

2Na+2HCl=2NaCl+H2
3Cu + Al2(SO4)3 = 2 Al + 3 CuSO4
2Na+2HCl=2NaCl+H2
Ba +Н2O →BaO+H2
Рв+ 2HNO3 →Pb(NO3)2+H2
Мg+2AgNO3 →Mg(NO3)2+2Ag
2Al+ 3Н2O → Al2O3+3H2
Zn+Н2SO4 → ZnSO4+H2