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The quality of unrefined olive oil is not actually defined in terms of acidity, yet extensive tests have shown that the less free oleic acid an unrefined olive oil contains per liter, the higher its quality. The proportion of free oleic acid that an olive oil contains is an accurate measure of the oil’s acidity.
If the statements above are all true, which of the following conclusions is best supported by them?
A. When an olive oil is refined, the concentration of oleic acid in the oil is reduced.
B. The quality of an unrefined olive oil can be determined only by accurately measuring its acidity.
C. If an unrefined olive oil is intermediate in acidity between two other unrefined olive oils, it will also be intermediate between them in quality.
D. Free oleic acid is the only acid that unrefined olive oil contains.
E. People who judge the quality of unrefined olive oils actually judge those oils by their acidity, which the judges can taste.
Premises:The quality of unrefined olive oil is not actually defined in terms of acidity
Extensive tests have shown that the less free oleic acid an unrefined olive oil contains per liter, the higher its quality.
The proportion of free oleic acid that an olive oil contains is an accurate measure of the oil’s acidity.
We are given that practically, quality is not defined in terms of acidity but higher quality oil has less free oleic acid (a measure of acidity).
We need to find the conclusion supported by these premises.
(A) When an olive oil is refined, the concentration of oleic acid in the oil is reduced.We don’t know what happens on refining.
(B) The quality of an unrefined olive oil can be determined only by accurately measuring its acidity.
There could be many other ways of measuring quality of unrefined olive oil.
(C) If an unrefined olive oil is intermediate in acidity between two other unrefined olive oils, it will also be intermediate between them in quality.
Correct. The premises tell us that acidity is a fair measure of quality.
(D) Free oleic acid is the only acid that unrefined olive oil contains.No such information in the argument.
(E) People who judge the quality of unrefined olive oils actually judge those oils by their acidity, which the judges can taste.We are given that quality is not defined in terms of acidity so the judges would not be judging their acidity.
Answer (C)Discussion on Inference Questions:
https://youtu.be/PMnU9ULdSfs