2007-09-22 01:36:56 · 4 answers · asked by siva 1 in Science & Mathematics ➔ Chemistry
ya..i aso think that undergo electrolysis process is the lowest cost project..put the acid as electrolyte..two carbon electrode and other apparatus and materials..test it by observing the bulb(dim or bright)..haha
2007-09-22 01:54:57 · answer #1 · answered by red devil 4 · 0⤊ 0⤋
Jab the two sensor ends of a voltmeter into a lemon.
Cost: 40 cents for the lemon
(Use voltmeter from the lab at school...)
2007-09-22 08:46:21 · answer #2 · answered by chocolahoma 7 · 0⤊ 1⤋
Yes, it's called electrolysis.
P.S. Ignore the suggestions involving a lemon, they are demonstrating a different phenomenon.
2007-09-22 08:43:08 · answer #3 · answered by monsewer icks 4 · 0⤊ 0⤋
Put a penny in a lemon and hook up your multimeter.
2007-09-22 08:41:04 · answer #4 · answered by Anonymous · 0⤊ 1⤋