30 grams of ammonia (NH3), nitrite (NO2-), and nitrate (NO3-) are added to a soil sample.
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<u>Calcium carbonate:</u>
The calcium carbonate is found in sea shells and the bones of sea creatures. And it is settled on layer of ocean. The pH level can be equilibrium with atmospheric . There is constant concentration of
in the water.
The limestone and calcium carbonate is present in the rocks, streams, lakes is helps to maintain the constant pH in the minerals present in the rock react with excess acid in the water.
When the acids or bases react with the calcium carbonate ,there is the excess change in the pH. The mixture of calcium carbonate ions in the water to prevent the damage in acid rain.
