De-icing is the process of removing snow, ice or frost from a surface. In extremely cold regions, car windows get covered by ice reducing the visibility. The image below shows the de-icing of the window of a car during extreme cold using a fluid.
Which of the following compounds could be present in the de-icing fluid used above?
A. formaldehyde
B. phenol
C. propan-2-ol
D. acetic acid
