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Complex grease fibers are formed by reacting two dissimilar ___________ with single _________

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Complex grease fibers are formed by reacting two dissimilar ___________ with single _________

(a) base, alkali

(b) alkali, acids

(c) alkali, base

(d) acids, alkali

This question was posed to me in final exam.

This interesting question is from Classification of Lubricants topic in portion Lubricants of Applied Chemistry

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The correct choice is (d) acids, alkali

For explanation I would say: Complex grease fibers are formed by reacting two dissimilar acids with single alkali that are used as thickener in many of the commercial complex greases. Additives like anti-oxidants, corrosion inhibitors and extreme pressure additives are added to the greases.

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