Answer: Antioxidant.
- A Preservative
- B Antioxidant
- C Artificial sweetener
- D Antibiotic
Correct answer: B. Antioxidant
Explanation: Antioxidants such as BHA and BHT are added to fatty foods to retard oxidation (rancidity), distinct from preservatives, which target microbial spoilage.
The hydrophobic hydrocarbon tail of each soap/detergent molecule dissolves into an oily dirt droplet, while the hydrophilic (ionic) head stays in the surrounding water - trapping the grease inside a micelle that rinses away with water.
Concept context
Drugs and how they interact with biological targets, chemicals in food, and cleansing agents (soaps and detergents) - chemistry applied directly to daily life and healthcare.