Which of the following ion is not found in acidic soils?

Which of the following ion is not found in acidic soils? Correct Answer Ca

Acidic soils are deficient in Ca ions but Al, Fe, Cu are found in excessive amounts in these soils as the acidic soils have a pH range of 1-4 and in the high pH range various metals such as Copper, Aluminum, iron are more metals are found but calcium ion being less available in this pH range is deficient in these soils.
Bissoy MCQ

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I. Red soils
II. Black soils
III. Laterite soils
IV. Alluvial soils
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