The wall of the flask is periodically rinsed with the previously boiled deionized water from the wash bottle. does this titrimetric technique result in an increase, a decrease, or have no effect on the reported acetic acid in the vinegar

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.