Question

Which of the following is a balanced chemical equation?

2 Mg + HC1 → MgCl2 + H2

SO2 + O2 + 2 H2O → 4 H2SO4

2 Fe2O3 + 3 C → 4 Fe + 3 CO2

H2O2 → H2O + O2

Answer 1

third one

Step-by-step explanation:

got it right on a quiz

Answer 2

So2+o2+2h20›4h2so4 this is the write answer