Your Zippo may need fuel or a wick replacement .
Kerosene is easy to burn
No
it burn at 420 degrees Fahrenheit
With virtually no oxygen, you can burn fuel for virtually no time before the oxygen runs out.
Your Zippo may need fuel or a wick replacement .
what a stupid question!
Who cares? Ronsonal works just as well in a Zippo lighter as Zippo fuel does.
Butane
Naptha .
Zippo lighter fluid. But any good naptha based fluid will work well.
Less than $2 for a can.
675F
No, deodorant burns to quickly it'll probably explode or just completely incinerate the wick. if your zippo is of any value, and if it's a genuine one it should be, or if you value your zippo at all you won't put anything in it except for genuine zippo fuel it's pretty cheap anyway.
the lowest temprature at which the fuel will burn on its own without the addition of external source of heat
A fuel with an ignition temperature less than the room temperature would spontaneously ignite - it would not be suitable for fuel because it would burn itself up before it could be used to power an engine.
Construction grade steel burns at 2795 degrees Fahrenheit. Jet fuel does not burn this hot. Its maximum temperature is 1472 degrees Fahrenheit.