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How do eggshells neutralize acidic soil?

Answer:
Eggshells contain the calcium carbonate, which is a base. It is the same substance found in limestone.
The carbonate (CO32-) ion reacts with acids to form the bicarbonate ion (HCO3-), or carbonic acid (H2CO3), a very weak acid that easily breaks down.
First answer by Princess123445. Last edit by Stormish. Contributor trust: 533 [recommend contributor recommended]. Question popularity: 4 [Recommended].

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