Chemistryeasy · Past Paper
Which of the following is a balanced equation for the formation of water?
AH2 + O2 -> H2O
B2H2 + O2 -> 2H2O
CH + O -> HO
D2H + O2 -> H2O2
✓ Correct Answer: B — 2H2 + O2 -> 2H2O
The equation 2H2 + O2 -> 2H2O has 4 hydrogen and 2 oxygen atoms on both sides.
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