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Final molasses is not crystallised further because

  • A.it contains no sugar at all now
  • B.the crystals formed would be far too pure
  • C.it was contaminated in the centrifuge
  • D.the non-sugars hold the rest in solution

Answer: D

Salts and invert sugar depress the recovery so that further boiling costs more than the sugar is worth. The molasses is sold instead for fermentation or as animal feed. Exhaustion of the molasses has an economic limit.

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