From my 8th grade science text book, when acid is poured over certain metals, such as zinc, hydrogen gas is released... Or something like that. It didn't say any specific acids, so maybe it's different. Just to make sure you've got the right answer, I'd wait for another reply before applying this information to anything.

It probably just means that she thinks you look pretty. Just because a girl stares at another girl DOES NOT mean that they're bi/lesbian. She might just be looking and making eye contact. I see people look at other people's eyes all hte time, so it could be that too. If she is making eye … Read more