Question

customers are sometimes interested in which mouthwash tastes the best. a chemist is interested in a which mouthwash sells the best. b which mouthwash kills the most germs. c which color of mouthwash appeals to most customers. d which mouthwash has been on the market for over 10 years.

Explanation:

A chemist's area of expertise is related to chemical - properties and reactions. Killing germs is a chemical - related property of mouthwash. Options A, C, and D are more related to marketing or consumer preference aspects rather than chemical functionality.

Answer:

B. which mouthwash kills the most germs