Which of the Following Statements Is Incorrect

Multiple Choice

Which of the following statements is incorrect?

A) The burning of propane in a barbecue grill is a physical change.
B) The cooking of the meat on a barbecue grill is a chemical change.
C) Cleaning the grill afterwards using a steel brush is a physical change.
D) Further cleaning of the grill using a detergent is a chemical change.
E) Digestion of the meat by your body involves both physical and chemical changes.