Calcium carbonate is in eggshells, seashells, a rock called marble, and in antacid tablets like Tums and Rolaids. In this activity, you can use a common liquid to detect calcium carbonate! Cover your ...

Limestone, for example, is a sedimentary rock made exclusively of the mineral calcite (CaCO3). Glacier ice too, is a type of rock composed of crystals of water. In 2014, scientists proposed naming ...