Guess what we did with napkins, dirty copper coins and a bottle of ketchup?!
Well.. Chinbrook had a range of conjectures about what might occur during this investigation!
We cleaned dirty copper coins until they were shiny and new again. The oxides on the coin were removed due the acetic acid within the ketchup.
Who knew that ketchup could be so delicious AND practical?
Check us out!
Practical and delicious!
Did someone say ketchup?
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