5. The products are the materials used in the reaction.- T?
28. Alloys are
a. elements
b. compounds
c. mixtures
A
30. An example of a colloid solution is
a. salt water
b. dirt mixed with water
c. smog
C
31. Gases dissolve better
a. when pressure is increased
b. when temperature is decreased
c. both
A?
38. Alpha rays are really
a. electrons
b. helium nuclei
c. electromagnetic waves
C?
40. A nuclear reactor uses
a. controlled fission
b. uncontrolled fission
c. fusion
Not really sure, but I'll go with B?
Thanks
-MC