8. What kind of contamination could cleaning products cause if not used safely? A. allergenic B. microbial C. physical D. chemical 9. When cleaning a food preparation area, how can you protect the food from the cleaning products? A. clean around the food products being careful not to touch them B. avoid the need for cleaning and come back later C. put the food into freezer D. cover any food that cannot be moved or put it into suitable storage 10. Which of the following are approved for sanitizing food contact surfaces and equipment? A.chlorine B.mercury C.zinc D.all of these​