In a Demonstration of Strong Electrolytes, Weak Electrolytes, and Nonelectrolytes

question 92

Multiple Choice

In a demonstration of strong electrolytes, weak electrolytes, and nonelectrolytes, Professor Popsnorkle used a lightbulb apparatus that showed how much a solution conducted electricity by the brightness of the lightbulb. When pure water was tested, the bulb did not light. Then Professor Popsnorkle tested the following aqueous solutions. Which one caused the bulb to burn dimly but not brightly?

• A) table salt, NaCl
• B) ethanol, CH₃CH₂OH
• C) table sugar, C₁₂H₂₂O₁₁
• D) acetic acid, CH₃COOH
• E) methanol, CH₃OH

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Definitions:

Critical Period

A specific time in an organism's development during which the organism is particularly responsive to certain environmental stimuli or experiences.

Enforce

To compel observance of or compliance with a law, rule, or obligation.

Privileges

Special rights or advantages granted to individuals or groups, often based on status, position, or need.

Corporal Punishment

The use of physical force causing pain, but not injury, with the intention to discipline or correct behavior.