Hydrochloric acid has a low pH value (1-2 ... boiling tube side by side in a test-tube rack. Carefully add the calcium carbonate to the acid – record your observations, especially any colour ...

Found all over the world, calcite is the most stable form of calcium carbonate and is the ... when exposed to dilute hydrochloric acid," Renee says. "Aside from how readily it reacts with ...

After mineralization, the composite could be fully demineralized by soaking it in hydrochloric acid, which dissolved the calcium carbonate without damaging the polymer scaffold. The same ...