Question : Which of the following is not a food preservative?
Option 1: Aqua regia
Option 2: Vinegar
Option 3: Sodium chloride
Option 4: Sodium nitrite
Answer (1)
25th Jan, 2024
Correct Answer: Aqua regia
Solution : The correct answer is Aqua regia .
Aqua regia is not a food preservative. It is a highly corrosive mixture of nitric acid and hydrochloric acid. It is typically used for dissolving noble metals, not for preserving or extending the shelf life of food.
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