The following statement is incorrect: A kitchen detergent forms a solution after cleaning the oil st

A. The detergent contains an emulsifier, which can turn the oil into fine oil droplets, thus forming an emulsion and being washed away, so it is wrong

B. Hard water contains more soluble calcium and magnesium compounds, and the addition of detergent produces less foam and low decontamination effect, so it is correct

C. Ammonium nitrate dissolved in water should absorb a large amount of heat, which can make ice packs to cool patients with high fever, so it is correct

D. Because the freezing point of salt water is lower than that of water, sprinkling salt on the snow on the highway in winter can make the ice and snow melt quickly, so it is correct

So choose A