Video Transcript
Which of the following everyday substances is not an example of an acid? (A) Drain cleaner, (B) vinegar, (C) lemon juice, (D) gastric juice, or (E) fizzy drinks.
Observe the table of everyday acids and bases. Vinegar, carbonated drinks, and citric acid found in citrus fruits, such as lemons, are all acids. Acidic products generally have a sour taste. Notice many of the acids listed are products that we consume. Gastric juice in the stomach can help dissolve and break down food so that it is easier to digest. Therefore, we can eliminate answer choices (B), (C), (D), and (E) since they are all acids.
Drain cleaner is not an acid and is the correct answer to this question. Drain cleaner and many other cleaning products are bases. Bases often have a bitter taste and a slippery feel when on the skin. The correct answer to this question is (A) drain cleaner.
