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The acid value of an oil is the number of milligrams of ______ used to neutralize 1gram of oil.

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in Automotive Engine Design by (137k points)
The acid value of an oil is the number of milligrams of ______ used to neutralize 1gram of oil.

(a) sodium hydroxide

(b) potassium hydroxide

(c) sulfur dioxide

(d) ester

The question was posed to me by my school teacher while I was bunking the class.

Question is taken from Testing of Lubricants in portion Lubrication and Lubricants of Automotive Engine Design

1 Answer

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The acid value of an oil is defined as the number of milligrams of potassium hydroxide (KOH) required to neutralize 1 gram of oil. This is a standard measure used to quantify the amount of free fatty acids present in oils, which can impact their performance as lubricants.

Final Answer:

(b) potassium hydroxide.

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