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    • Question

      What is the standard maximum permissible level of

      sulphur dioxide (SO₂) used in concentrated fruit juice as a preservative to inhibit microbial growth?
      A 500 ppm Correct Answer Incorrect Answer
      B 1000 ppm Correct Answer Incorrect Answer
      C 1500 ppm Correct Answer Incorrect Answer
      D 350 ppm Correct Answer Incorrect Answer

      Solution

      500 ppm is the safe limit to prevent spoilage without adversely affecting flavor or safety.

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