Răspuns:
Explicație:
Acid
6HCl + Al2O3=2AlCl3 +3 H2O
Acid
H2SO4 + Na2O=Na2SO4 +H2O
Baza Baza
2KOH +CuSO4=K2SO4 + Cu( OH)2
Acid
CaCO3 +2HCl= CaCl2 +CO2 + H2O
Baza
CaO + H2O=Ca(OH)2
Baza Acid
Al(OH)3 + 3HNO3= Al(NO3)3 +3H2O
Baza Acid
Cu(OH)2 +2HCl = CuCl2 +2H2O
Acid Acid
HCl + AgNO3 =AgCl +HNO3
Acizii :HCl , H2SO4 , HNO3
Baze :KOH , Cu(OH)2,Ca(OH)2 , Al(OH)3