1. Classify each of the following properties as a physical property or
a chemical property.
a. Iron metal rusts in an atmosphere of moist air.
b. Mercury metal is a liquid at room temperature.
c. Nickel metal dissolves in acid to produce a light green solution.
d. Potassium metal has a melting point of 63°C.
e. Copper metal possesses a reddish brown color.
f. Titanium metal can be drawn into thin wires.
g. Beryllium metal, when inhaled in a finely divided form, can
produce serious lung disease.
h. Silver metal shows no sign of reaction when placed in
hydrochloric acid.
i. Lead is denser than aluminum.
j. Flammability of plastics.