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Natural oils and fats are chemically

  • A.triglycerides of glycerol and fatty acids
  • B.free fatty acids held in solution
  • C.long chain hydrocarbons of high molar mass
  • D.polymers of simple glucose units

Answer: A

The glycerol backbone carries three ester linkages, and hydrolysing them gives glycerine and the free acids. Everything else in the industry follows from that structure. Hydrolysis and esterification are the two basic reactions.

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