Which of the Following Is/are True of Colloidal Solutions

question 47

Multiple Choice

Which of the following is/are true of colloidal solutions?
I. Groups of molecules clump together in colloidal solutions to form small particles.
II. A laser beam cannot be seen when it is passed through colloidal solutions.
III. A laser beam can be seen clearly when it is passed through colloidal solutions.
IV. Incident light passes through colloidal solutions without scattering/

• A) II only
• B) I and III
• C) IV only
• D) I and II
• E) II and IV

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Definitions:

Consumer's Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount they actually pay.

Earplugs

Small devices inserted into the ear canal to protect the ears from loud noises, water, or to block out sound for concentration or sleep.

Utility Function

Mathematical model that quantifies satisfaction levels consumers receive from consuming various quantities of goods and services, guiding choices under constraint.

Consumer's Surplus

The gap between what consumers are prepared and capable of spending for a product or service and the aggregate sum they end up paying.