Answer: Analgesic.
- A Antipyretic
- B Analgesic
- C Antiseptic
- D Antibiotic
Correct answer: B. Analgesic
Explanation: Analgesics relieve pain without affecting consciousness. Narcotic analgesics (e.g. morphine) and non-narcotic analgesics (e.g. aspirin) are the two main types.
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.