Heidi has three liquids in separate beakers, but they are only labeled as beaker 1, 2, and 3. Her teacher gives her a chart of some characteristics of the three liquids and asks her to determine whether the liquids in the beakers are basic, acidic, or neutral. Which beaker holds an acidic substance? Beaker Taste Reacts with Metals? pH 1 - no 7.0 2 sour yes 5.4 3 bitter no 11.7 A. beaker 2 B. beaker 3 C. beaker 1 D. all of these