Detailed answers to practice test 3R by AAMC
Physical Science Part 1-77
1. Reaction 4 is shown in the following equation, which is answer choice A.
Answers B and D do not show a reaction involving PbCO3 (s), as required by Reaction 4. Answer C shows an
1. With respect to bonding and electrical conductivity, respectively, sulfur hexafluoride, SF6(g), would be described
A )covalent and a nonconductor.
The passage states that the vast majority of covalent compounds are comprised exclusively of nonmetal
9R SOLUTIONS FROM AAMC
A solution contains 0.1 M Mg2+(aq), 0.1 M Ca2+(aq), and 0.1 M Sr2+(aq). All
three ions can be precipitated if which two reagents are added to the solution?
Reagents 1 and 2
Reagents 1 and 3
Mg2+ can b