Question:medium

Nitrate in milk is generally used as a marker to detect the presence of added ________.

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Remember that the nitrate test is a qualitative indicator of the source of added water.
Pure municipal tap water or distilled water may not show a positive nitrate test if their nitrate levels are below the detection limit of the diphenylamine reagent.
Updated On: Jul 21, 2026
  • Pond or surface water
  • Salicylic acid
  • Skim milk powder
  • Benzoic acid
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The Correct Option is A

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