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.
Correct Answer:
Verified
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A)The
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A)magnesium
B)gallium
C)mercury
D)hydrogen
E)helium
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