CHEM
1001/CHM1020/CHM1025C/CHM1032C Name:___________
Module One: Sample Pretest
Part D: Chemical/Physical Change
5 points
State whether each of the following is a physical or a chemical change:
__________________1. Electricity
decomposes water.
__________________ 2. Methanol
dissolves in gasoline
__________________ 3. Dry ice pellets
disappear
__________________ 4. Iron oxidizes to
rust
__________________ 5. Bromine is a reddish-brown liquid at room temperature
Part E: Forms of Energy 5 points
List the six different forms
of energy as an energy wheel:
Identify two forms of energy
that are involved in each of the following energy conversions relating to a
fossil fuel plant:
a. Burning coal converts
water to steam:
b. A generator spins to make
electricity: