Uzupełnij i wykonaj równania:
PbO₂ + 2CO ---> Pb + 2CO₂
Al₂O₃ + 3H₂ ---> 2Al + 3H₂O
P₄O₁₀ + 5C ---> 4P + 5CO₂
SnO₂ + 2H₂S ---> SnS₂ + 2H₂O
2Cr₂O₃ + 3C ---> 4Cr + 3CO₂
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PbO₂ + 2CO ---> Pb + 2CO₂
Al₂O₃ + 3H₂ ---> 2Al + 3H₂O
P₄O₁₀ + 5C ---> 4P + 5CO₂
SnO₂ + 2H₂S ---> SnS₂ + 2H₂O
2Cr₂O₃ + 3C ---> 4Cr + 3CO₂