Fashewar Shenhai-Hujja
Maɗaukakin yanayin zafi yana kawo hydrogen zuwa iyakar ƙonewa, yana kaiwa ga konewarsa: 2H2 + O2 + tushen kunnawa = 2H2O.
Gas masu ƙonewa suna fashe yayin samun takamaiman ƙima a cikin iska ko iskar oxygen, kewayon da aka ayyana azaman iyakar fashewa. Don hydrogen, wannan iyaka ya taso daga 4% ku 74.2% dangane da girman rabo.