A student learns about the pH scale and sees that items around the house fit on the pH scale. The pH scale is used to measure how acidic or basic a substance is. More basic solutions will have more hydroxide ions, while more acidic solutions with have more hydrogen ions. The student gathers multiple items from around the house and tests their pH to place them on the pH scale.

35.
Use the drop-down menus to characterize the household items.

Pure water has a pH of 7 and is considered (Select) . Apple juice has a pH of 3 and is considered (Select) , and ammonia has a pH of 11 and is considered (Select) .

Pure water has a pH of 7 and is considered neutral. Apple juice has a pH of 3 and is considered acidic, and ammonia has a pH of 11 and is considered basic.