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Complecteaza ecuatiile reactiilor si egaleaza-le:
a)CaO+?--->Ca(NO₃)₂+?
b)Fe₂O₃+?--->Fe₂(SO₄)₃+?
c)MgO+?--->MgCl₂+?
d)SO₄+KOH---> ?+?
e)CO₂+Ba(OH)₂--->?+?
f)SiO₂+NaOH--->?+?
g)SO₃+NaOH--->?+?
h)CaO+SiO₂--->?
i)Na₂O+SiO₂--->?
j0CaO+CO₂--->?

Răspuns :

Wizard48
a) CaO+2HNO₃=Ca(NO₃)₂+H₂O
b) Fe₂O₃+3H₂SO₄=Fe₂(SO₄)₃+3H₂O
c) MgO+2HCl=MgCl₂+H₂O
d) SO₃+2KOH=K₂SO₄+H₂O
e) CO₂+Ba(OH)₂=BaCO₃+H₂O
f) SiO₂+2NaOH=Na₂SiO₃+H₂O
g) SO₃+2NaOH=Na₂SO₄+H₂O
h) CaO+SiO₂=CaSiO₃
i) Na₂O+SiO₂=Na₂SiO₃
j) CaO+CO₂=CaCO₃

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