Stomach juices have a pH close to ________.
A) 1.5
B) 2.8
C) 4.5
D) 7.0
Question 2
Which of the following properties are NOT a characteristic of ionic compounds?
A) They have low boiling points.
B) They are composed of a metal and a nonmetal.
C) They tend to be solids at room temperature.
D) They may be soluble in water.