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 ...

Solid waste can be disposed of in the trash. Alka-Seltzer is a common antacid used to relieve an upset stomach. Alka-Seltzer and other fizzing tablets produce carbon dioxide-filled bubbles when placed ...