Question

why hydrogen burn with pop sounds

Answer 1

oxygen helps in the burning of hydrogen. so, at that time there is a small explosion which results in the formation of the pop sound. hydrogen is an exception here because other gases like nitrogen, carbon dioxide and many more do not burn with the oxygen
The pop sound comes from the small explosion formed by the burningof Hydrogen with oxygen. ... The pop sound comes from the small explosion formed by theburning of Hydrogen with oxygen. Other common gasses, such as water vapour, nitrogen, and carbon dioxide will not burn with oxygen, so will not give a pop