The correct answer is D. Sodium salt of benzoic acid.
Sodium benzoate is a food preservative that
is used to prevent the growth of bacteria and fungi in food. It is a white, odorless powder that is soluble in water. Sodium benzoate is found in a variety of foods, including soft drinks, pickles, and jams.Sodium benzoate is effective in preventing the growth of bacteria and fungi because it inhibits the production of enzymes that are necessary for their growth. It is also effective in preventing the growth of mold.
Sodium benzoate is generally safe for human consumption. However, it can cause allergic reactions in some people. It can also interact with other medications, so it is important to talk to your doctor before using sodium benzoate if you are taking any medications.
Acetic acid is a weak acid that is found in vinegar. It is used as a preservative in some foods, but it is not as effective as sodium benzoate.
Tartaric acid is a weak acid that is found in grapes and other fruits. It is used as a preservative in some foods, but it is not as effective as sodium benzoate.
Sodium carbonate is a base that is used to neutralize acids. It is not used as a food preservative.