06-21-2011, 08:38 PM
billb wrote:
why run a hose outside ?
This lab doesn't have a test tube you could invert fill with the "gas" and walk outside with a shove a match into to see if lack of O puts ithe flame out ?
Not the greatest of tests.
If it's regular compressed air it's not like you've got something explosive in the tube, it's air.
Got a canary ?
Even if it was H2, it would only make a small bang. We did this in High School AP Chemistry to lighten the mood occasionally. Ok, it we really did it just to see who would jump. Yes we were juvenile.