Depending on the products tested, pH values will vary, but seldom are below pH 3 nor above pH 12. See sample data table on next page. Go to Top Go to Teachers Index Answers to Data Analysis Questions 2. Personal hygiene products are neither highly acidic nor highly basic. Most facial products fall within pH 3-8.
Humans tolerate acids well, internally.
Some products with the same pH have widely different uses. In a question-answer format, address questions that were submitted by students. Based on data collected in this activity, invent a new product, to be sold commercially, whose most important property is its pH. Write an ad for this product, explaining its utility in terms of the pH value you have chosen. Create a name for your product. Teachers Index Lab Practical Quiz Have students determine the pH of an aqueous solution and draw a conclusion as to the type of product present in solution, using their data.