Question

Which chemical equation correctly shows the formation of water from hydrogen

and oxygen?

A. H2 + 20 + H2O

B. 2 H2 + O2 + 2 H2O

C. H2 + O2 + H2O

D. H + O2 + H2O

Answer 1

The correct answer is B.. then you will balance it.. after the balancing LHS hydrogen is 4, Oxygen is 2 then RHS hydrogen is 4 and Oxygen is 2.. it’s balanced . And the reactants and products are correct

Answer 2

d. H + O2 ------ H2O

that's the formation of water