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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.
Calcium Carbonate (Limestone) Calcium carbonate, the chief component of limestone, is a widely used amendment to neutralize soil acidity and to supply calcium (Ca) for plant nutrition.The term âlimeâ can refer to several products, but for agricultural use it generally refers to ground limestone.alcium Carbonate (Limestone) Calcium carbonate, the chief component of limestone, is a widely used amendment to neutralize soil acidity and to supply calcium (Ca) for plant nutrition.