Don't Put Water on Chalk—Quicklime

In this video I show you how to make quicklime CaO and what happens when you put water on it. This reaction turns CaCO3 (chalk) into quicklime by releasing CO2.

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*Any experiment you try is at YOUR OWN RISK. The Action Lab assumes no responsibility for any injury if you attempt anything you see in this video or on The Action Lab channel.