Did you know that vinegar and copper react to form copper acetate crystals? It's pretty! Adding salt to the vinegar solution makes it even prettier. Try using old pennies (before 1981) because they contain more copper.
(this penny was in the vinegar solution by itself, no salt. It still formed crystals, but not as pretty as the others).
1 comment:
That's very interesting! Nice photos. Christopher would love this. Congratulations on your 500th post!
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