Question 1
Which of the following is a chemical reaction?
◦ Slicing a ham
◦ Melting ice
◦ Liquefying oxygen
◦ Rusting of iron
Question 2
An example of a chemical reaction is:
◦ gasoline is flammable
◦ zinc reacts with hydrochloric acid to produce hydrogen gas
◦ TNT is explosive
◦ all the above