Which of the following is NOT a food preservative?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Aqua regia.
- Aaqua regia is not a food preservative.
- Aqua regia is a highly corrosive mixture of nitric acid and hydrochloric acid, traditionally used to dissolve noble metals such as gold and platinum.
- It is not safe for consumption and has no application as a food preservative.