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Lubricating oil thickened with metallic soaps or by adding solid forms __________

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Lubricating oil thickened with metallic soaps or by adding solid forms __________

(a) grease

(b) vaselines

(c) oils

(d) petrol

I have been asked this question in an interview for internship.

My question is based upon Classification of Lubricants in chapter Lubricants of Applied Chemistry

1 Answer

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The correct choice is (a) grease

Explanation: Grease is made from lubricating oil with metallic soaps or by adding solids like graphite, silica, talc etc. The petroleum oil they are not very simply lubricating oils, they are the lubricating oils thickener is dispersed to produce gel.

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