Hydrogen peroxide yog tsis muaj peev xwm ntawm combustion.
Yog hais tias ib tug yuav hypothesize nws combustion, Lub ntsiab tseem ceeb uas tuaj yeem txhawb nqa nws qhov valence yog oxygen. Qhov no txhais tau hais tias kev hloov pauv oxygen los ntawm a -1 rau 0 valence, qhov tseem ceeb hloov mus rau cov pa oxygen, ib txoj kev xav uas yog inherently contradictory.