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4 votes
2 answers
999 views

Flash point of naptha and propanol

I filled a Zippo lighter with 2-propanol and it lit up easily when the ambient temperature was around 6-7 degrees Celsius. It was impossible to light it up when the temperature was around 3-4 degrees ...
17 votes
3 answers
10k views

Is there a point at which Ethanol (E10) fuel becomes harmful to gas tanks or engines if not used?

This is not the typical chemistry question on this website, but I think it's an important practical question. When I got a gas string trimmer, the woman who worked at the gardening shop told me that ...