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    Question

    Alkaline soils contain more

    of:
    A Fe and Al ions Correct Answer Incorrect Answer
    B Cl and SO_4 ions Correct Answer Incorrect Answer
    C CO_3 and HCO_3 ions Correct Answer Incorrect Answer
    D H^+ ions Correct Answer Incorrect Answer

    Solution

    Soil alkalinity is associated with the presence of sodium carbonate (Na2CO3) or sodium bicarbonate (NaHCO3) in the soil

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