2006-10-15 05:18:04 · 6 answers · asked by stonecoldsteev 1 in Science & Mathematics ➔ Chemistry
Trade them in at a bank for 400 newly minted ones. If you ask, they will give you new ones.
2006-10-15 05:20:58 · answer #1 · answered by Mr. G 6 · 0⤊ 0⤋
Yif oyu have time to waste, Taco Bell's Fire sauce will do the trick, no joke, but otherwise, get a 3 L beaker, put pennies in, then let add a very dilute soultion of NItric Acid, bout, .025M solution should do the trick, let set for like 10 min, then wash off with large amounts of water
2006-10-15 06:10:36 · answer #2 · answered by bobbr241 2 · 0⤊ 0⤋
Dip them quickly in Nitric acid, then WASH! Nitric melts pennies, but I am sure they will strip off the nasty outermost coat, just make sure you rinse well.
2006-10-15 05:46:55 · answer #3 · answered by Anonymous · 0⤊ 0⤋
throw them in Coca Cola.
Not a whole bottle of Coca Cola of the reaction will burst out of the top.
2006-10-15 05:20:35 · answer #4 · answered by Stuart T 3 · 1⤊ 0⤋
Tarn-X Copper Glaze is the finest polish for all for all your copper pieces:
2006-10-15 05:22:48 · answer #5 · answered by jeff 2 · 0⤊ 0⤋
scrub a dubdub
2006-10-15 05:21:27 · answer #6 · answered by Anonymous · 0⤊ 0⤋