Which of the Following Soil Minerals is Most Likely Leached

Question

Which of the following soil minerals is most likely leached away by a hard rain?
A) Na+
B) K+
C) Ca2+
D) NO3-

Accepted Answer

Nitrate (NO3-) is highly soluble in water and does not bind well to soil particles, making it the most likely to be leached away by a hard rain compared to the other cations listed.