When table salt, sodium chloride (NaCl), is placed in water ________.
A. Ionic bonds between Na+ and Cl- are broken
B. Na+ and Cl- form ionic bonds with each other
C. Na+ and Cl- become separated by their Van der Waals forces
D. Na+ and Cl- form hydrogen bonds with water
E. Na+ and Cl- form polar covalent bonds with each other
Answer: A
You might also like to view...
To neutralize a base, a(n) ________ must be added.
A. acid ?B. buffer ?C. weak base ?D. hydroxide ion
Hormones that can pass through the plasma membrane are ________ and are called ________.
A. nonpolar; hydrophobic B. nonpolar; hydrophilic C. polar; hydrophilic D. polar; hydrophobic
The posterior horns of the spiral cord contains
A. Sensory nuclei B. Motor nuclei C. Neurological nuclei D. Nuceli
Free nerve endings respond to
A. temperature change and pain. B. pressure and vibration. C. light touch and two-point discrimination. D. temperature change and pressure. E. chemicals.