Without conducting an experiment, one can determine if a species in a solution is acidic or basic by using a litmus paper.
Acidic species would turn a blue litmus paper to red but have no effects on red litmus paper.
Basic species would turn a red litmus paper to blues but have no effects on blue litmus paper.
Thus, in order to determine if a species in a solution is acidic or basic without conducting any experiment, dipping a litmus paper into the solution would give an indication.
More on litmus paper test can be found here: https://brainly.com/question/1470773
