Question

why does the combination of h2 and o2 gives rise to h20 not h202?​

Answer 1

Answer:

Hey mate

This is because of solving this equation

If we solve this equation

Then, H2+O2=H2O

I hope it helps you

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Answer 2

The combustion of H2 and O2 gives rise to H2O

Reason:

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When molecular hydrogen and oxygen or combined in allowed to react together energy is released in the molecules of hydrogen and oxygen can combine to form either water or hydrogen peroxide .

Actually H2O2 is not an molecule .

so it does not form H2O2