He added ¼ cup of room-temperature water to one glass and ¼ cup of room-temperature vinegar to the other. Before you see Koby's results, make a hypothesis about each combination. Will combining water and baking soda result in a chemical reaction? Will combining vinegar and baking soda result in a chemical reaction?

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.