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Paraffins are mostly used as _______

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Paraffins are mostly used as _______

(a) dye

(b) lubricant

(c) catalyst

(d) coolent

This question was posed to me in unit test.

Question is from Classification of Crude Oil based on their Composition topic in division Fuel Technologies of Applied Chemistry

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The correct choice is (b) lubricant

For explanation I would say: Paraffins are used as lubricant as it is having oily nature. Coolent is the substance which is used to cool down the system. In nuclear reactor water is used as coolent. Aniline is the example of dye.

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