Answers

2016-04-13T20:47:30+05:30
The pop sound comes from the small explosion formed by the burning 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. (..)...

1 5 1
2016-04-13T20:48:29+05:30
The pop sound comes from the small explosion formed by the burning 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.
i hope help u

1 5 1
i didn't seen yours answer.
ok sry but we are same
yes!!!