Answer:
An associate should continue to smile and try to be of some help in this type of situation.
Explanation: The customer might be frustrated because of the question they're about to ask the employee. Maybe if the employee helps with the question there frustration will end. :)
Basically, Benedict's test identifies the existence of aldehydes and alpha-hydroxy-ketones, also by hemiacetal, as well as those that take place in specific ketoses. Therefore, it is an alpha-hydroxy-ketone even if the ketose fructose is not strictly a reducing sugar, and provides a positive test since it is transformed into the mannose and aldoses glucose by the base inside the reagent.
Blocking, covering, obscuring, hiding, concealing, veiling, shrouding, darkening, extinguishing, shading, dimming, declining, diminution, extinction, penumbra
En serio, no sé si esto es real o no