Answer: Living tissue, without harming it.
- A Inanimate objects mainly according to conventional understanding
- B Living tissue, without harming it
- C Food to preserve it in routine practice
- D Water pipes mainly overall in most cases
Correct answer: B. Living tissue, without harming it
Explanation: Antiseptics are applied to living tissue such as wounds and skin without damaging it, unlike disinfectants, which are used on inanimate objects.
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.