For each of the following questions, more than 1 answer may be correct: 1. Molecular adsorption a. Describes the adsorption of gases on the surface of a solid b. Is used in the separation of substances c. Describes the preferential adsorption of substances with positively or negatively charged function groups d. Has utility in the production of purified water in pharmacy 2. Mechanism of action of polar solvents (water) includes a. Dissolving with similar internal pressures through induced dipole interactions b. Breaking covalent bonds and ionized weak electrolyte c. Formation hydrogen bridges with non-electrolytes d. Reduction the attraction between the ions of strong and weak electrolytes.

Physical Chemistry
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Author:Ball, David W. (david Warren), BAER, Tomas
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Chapter22: Surfaces
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For each of the following questions, more than 1 answer may be correct:

1. Molecular adsorption
a. Describes the adsorption of gases on the surface of a solid
b. Is used in the separation of substances
c. Describes the preferential adsorption of substances with positively or negatively
charged function groups
d. Has utility in the production of purified water in pharmacy


2. Mechanism of action of polar solvents (water) includes
a. Dissolving with similar internal pressures through induced dipole interactions
b. Breaking covalent bonds and ionized weak electrolyte
c. Formation hydrogen bridges with non-electrolytes
d. Reduction the attraction between the ions of strong and weak electrolytes.

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