1) 4Al+3O2=2Al2O3
N2+3H2=2NH3
3Ca+2H3PO4=Ca3(PO4)2+3H2
Ba(OH)2+2HCl=BaCl2+2H2O
ZnCl2+2AgNO3=2AgCl+Zn(NO3)2
2) 2Na+2H2O=2NaOH+H2
4P+5O2=2P2O5
FeCl3+3KOH=3KCl+Fe(OH)3
2Al(OH)3 =Al2O3+3H2O
Al2(SO4)3+3BaCl2=3BaSO4+2AlCl3
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Answers & Comments
1) 4Al+3O2=2Al2O3
N2+3H2=2NH3
3Ca+2H3PO4=Ca3(PO4)2+3H2
Ba(OH)2+2HCl=BaCl2+2H2O
ZnCl2+2AgNO3=2AgCl+Zn(NO3)2
2) 2Na+2H2O=2NaOH+H2
4P+5O2=2P2O5
FeCl3+3KOH=3KCl+Fe(OH)3
2Al(OH)3 =Al2O3+3H2O
Al2(SO4)3+3BaCl2=3BaSO4+2AlCl3