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Because calcium carbonate is a base, depending on the pH of the base, it will either increase or decrease the pH of the calcium carbonate very slightly.It will probably have â¦ little to no noticeable effects. 3 people found this useful. Graham Howarth.t is found naturally in limestone and  in seashells.   â¦    vCalcium carbonate reacts with acids, releasing carbon  dioxide:   v    vCalcium carbonate will react with water that is saturated with  carbon dioxide to form the soluble calcium bicarbonate.
USES Calcium Carbonate is mostly used in the construction industry as a building material such as limestone, marble or chalk it can also be used as an ingredient of cement. Calcium carbonate in the form of chalk is used as filler in the paper industry. It is used as a cheap way to make bright opaque paper.