The best sources of calcium are dairy foods ... you'd take one 600 milligram pill a day. Calcium carbonate and calcium citrate are two of the popular and very effective supplements.

Calcium carbonate and calcium citrate are the two ... Most people can get enough of these nutrients from food sources, but ...

In this reaction we will investigate the reaction between ethanoic acid and calcium carbonate. All acids produce carbon dioxide gas when reacted with a metal carbonate.