A substance has a pH that is lower than the pH of pure water but higher than the pH of gastric juice.Based on this information,the substance is ________.
A)baking soda
B)lemon juice
C)household ammonia
D)egg white

Question

Quizplus · Accepted Answer

Lemon juice has a pH of around 2, which is lower than the pH of pure water (pH 7), but higher than the pH of gastric juice in the stomach (pH 1-2). Baking soda (A) has a pH higher than neutral (pH 8.3) and household ammonia (C) has a pH higher than 11, both of which are much higher than the pH of gastric juice. Egg white (D) has a slightly basic pH around 7.6, which is higher than the pH of both pure water and gastric juice.

A Substance Has a PH That Is Lower Than the PH