Description : The substance most commonly used as a food preservative is – (1) sodium carbonate (2) tartaric acid (3) acetic acid (4) sodium salt of benzoic acid
Last Answer : (4) sodium salt of benzoic acid Explanation: A preservative is a naturally occurring or synthetically produced substance that is added to products such as foods, pharmaceuticals, paints, biological ... can be antioxidants such as oxygen absorbers, which inhibit the oxidation of food constituents.