How do metals react with liquids?

We placed coins and safety pins in different liquids to see what will happen.

We have used vinegar, coke, salt water, tap water and soap.

What do you think will happen to each of the items?

4 thoughts on “How do metals react with liquids?

  1. I think if you put a coin in salt water when you take the coin out it will look bran new and I think the coin will flote up

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