Answer: analgesic.
- A antibiotic
- B analgesic
- C antacid
- D antifertility drug
Correct answer: B. analgesic
Explanation: Aspirin is a non-narcotic analgesic (and antipyretic).
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.