Essential Chemistry for IGCSE - Formulae And Equations (Section 2 - No. 23)
Which of the following correctly shows the formation of water from hydrogen and oxygen?
H + O -> H2O
2H + O -> H2O
H2 + O -> H2O
2H2 + O2 -> 2H2O
Explanation
The formation of water from its elements is represented by 2H2 + O2 -> 2H2O.
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