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Substance used for the prevention of coloured fruit juices is

(a) benzene (b) benzoic acid (c)phenol (d) Sodium meta bisulphite
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Benzoic acid is used as a preservative less coloured fruit juices.
For colour less ones, sodium metali sulphite can be used.
Hence b is the correct answer.
answered Mar 7, 2014 by meena.p
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