Chemistry · Food Preservation
Identify the pair of substances that is NOT used as food preservatives:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Vitamin C (ascorbic acid) and Sugar
- 2Sodium chloride and Citric acid
- 3Sodium benzoate and Sodium metabisulphite
- 4Iron oxide and Potassium permanganate✓
Correct answer
Iron oxide and Potassium permanganate
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