Dissolving sea shells in vinegar

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This resource is part of the Polar Explorer Resource Collection https://www.stem.org.uk/polar-explorer-educational-resources.

What effect does acid have on sea life?

This unit follows on from Do you like your oceans still orsparkling.The activity demonstrates the ability of an acidic substance (in this case vinegar) to dissolve sea shells.

Malt vinegar contains acetic acid. The acid reacts with the calcium carbonate in the shells to form calcium ions, water and carbon dioxide.

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