78.
(A) decreased
(B) descended
(C) dismissed
(D) discounted

74. (A) eliminating (B) quarantining (C) accelerating (D) discriminating

75. (A) prevention (B) prominence (C) providence (D) profundity

76. (A) eccentrics (B) examination (C) example (D) exception

77. (A) abducted (B) adopted (C) adapted (D) addicted

79. (A) alcoholic (B) allergic (C) anesthesia (D) acoustic

80. (A) blamed (B) credited (C) indebted (D) accustomed

1. A student performs an experiment to determine the density of a sugar solution. She obtains the following results: 4.71 g/mL, 4.73 g/mL, 4.67 g/mL, 4.69 g/mL. If the actual value for the density of the sugar solution is 4.40 g/mL, which statement below best describes her results? (A) Her results are precise, but not accurate.(B) Her results are accurate, but not precise.(C) Her results are both precise and accurate.(D) Her results are neither precise nor accurate.

2. What answer should be reported, with the correct number of significant figures, for the following calculation? (249.362 + 41) / 63.498 (A) 4.6(B) 4.57(C) 4.573(D) 4.5728

3. Write the name for Ca3(PO4)2. (A) calcium (III) phosphite(B) calcium (II) phosphite(C) calcium phosphate (D) tricalcium phosphorustetraoxide

4. Give the correct formula for aluminum sulfate. (A) Al2SO4(B) Al(SO4)3(C) Al3(SO4)2(D) Al2(SO4)3