Answer: preservatives.
- A added flavourings
- B preservatives
- C added sweeteners
- D food colourings
Correct answer: B. preservatives
Explanation: Preservatives such as sodium benzoate inhibit the growth of microorganisms in food.
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.