A neat experiment you can do at home with off-the-shelf Muriatic acid.
Muriatic acid contains Hydrochloric acid, which reacts with the zinc insid
A neat experiment you can do at home with off-the-shelf Muriatic acid.
Muriatic acid contains Hydrochloric acid, which reacts with the zinc inside a modern penny.
After the acid eats away all the zinc, all that`s left is a copper shell only one thousandth of an inch thick!
You can use this penny shell for an old but simple magic trick where you hide a dime inside it.
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