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The most common reason for the degradation of petroleum oil is their _________

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The most common reason for the degradation of petroleum oil is their _________

(a) Volatility

(b) Oxidation

(c) Reduction

(d) Temperature coefficient

The question was asked in final exam.

The doubt is from Types of Additives topic in portion Lubricants of Applied Chemistry

1 Answer

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Best answer
Right answer is (b) Oxidation

Best explanation: Oxidation inhibitors are one of the types of the additives. The oxidation is the main reason for the petroleum oil degradation. At high temperatures, the hydro carbons of the petroleum oil undergo homolytic fission to generate free radicals.

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