d. 5-gallon bucket of powdered sanitizer container may not be used for storing food.
Explanation:
Sanitizing is the process of reducing or killing the germs on the surface to ensure it is safe for contact. Sanitizing helps in avoiding the growth of bacteria and virus. Heating or adding some chemicals can help in sanitizing the things carefully.
Chlorine bleach can be used as a sanitizing agent in cleaning the container. Anti-bacterial soap can be used for washing the plastic container. The container should be cleaned with warm water and later it can be sterilized with heat.