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Which of the following is purified by vacuum distillation ? (i) Glycerine (ii) Glycerol (iii) propane 1,2,3- triol (iv) Ethanol

$ (a)\;(i),(ii)\; and\;(iii) \\ (b) \; (ii),(iii)\;and \;(iv) \\ (c) \;(i),(ii)\;and \;(iv) \\ (d)\;(i),(iii)\;and (iv) $
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Glycerine, glycerol and propane 1,2,3 -triol are three names of the same compound .
Hence a is the correct answer.
answered Feb 28, 2014 by meena.p

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