Which of the following soil additives would best reduce the concentration of dissolved Fe³⁺ in ground water? A)lime [Ca(OH)₂] B)saltpeter [KNO₃] C)ferric chloride [FeCl₃] D)ammonium nitrate E)ammonium sulfate

Question

Quizplus · Accepted Answer

Lime (calcium hydroxide) raises the pH of the soil and water, which can precipitate iron sulfides and reduce their solubility, thereby reducing the concentration of dissolved FeS in groundwater.

Which of the Following Soil Additives Would Best Reduce the Concentration