Which of the following is NOT used as food preservative?

Correct option is D

The correct answer is: (d) Sodium hydrogen carbonate
Explanation:
· Sodium hydrogen carbonate (baking soda) is used as a leavening agent, not as a preservative.
· Preservatives prevent spoilage and microbial growth in food.
Information Booster:
· Table salt – Preserves food by drawing out moisture.
· Sugar – Used in jams/syrups as a preservative.
· Sodium benzoate – Used in juices, soft drinks.
· Baking soda changes pH but does not prevent microbial growth.
· Preservatives extend shelf life of products.
· Used in processed and packaged foods.
Additional Information:
· Table Salt – Prevents bacterial growth in pickles.
· Sugar – Inhibits microbial growth in desserts.
· Sodium benzoate – Common synthetic preservative.