Question 1
Choose the response that includes all the items listed below that are pure substances.
i. orange juice ii. steam iii. ocean water iv. oxygen v. vegetable soup
◦ i, iii, v
◦ ii, iv
◦ i, iii, iv
◦ iv only
◦ all of them are pure
Question 2
Which of the following is an example of a physical property?
◦ corrosiveness of sulfuric acid
◦ toxicity of cyanide
◦ flammability of gasoline
◦ neutralization of stomach acid with an antacid
◦ lead becomes a liquid when heated to 601
oC