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cum egalez ecuatiile:
Fe+Ca(OH)2=
Al+BaCl=
Zn+KI=
Ca(OH)2+CuSO4=


Răspuns :

Ca+Fe(OH)la a2
Ba+AlCl
ZnKl
Cu(OH)2+CaSO4
Fe+Ca(OH)₂=nu reactioneaza
2Al+3BaCl₂=2AlCl₃+3Ba
Zn+KI=nu reactioneaza
Ca(OH)₂+CuSO₄=Cu(OH)₂+CaSO₄