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  • Dilute acid placed on a sample of limestone rock in a jar
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 1 October 2012 Size: 120 KB Referencing Hub media

    When dilute acid is placed on a sample of limestone rock, it fizzes. The calcium carbonate present in the limestone is reacting with the acid to produce carbon dioxide gas.

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