You Are Performing an Experiment in Your Chemistry Lab Class

question 8

Multiple Choice

You are performing an experiment in your chemistry lab class. The directions advise caution because the reaction is exothermic. Which of the following is the hazard the directions warn about?

• A) The reaction may cause the container to become dangerously hot.
• B) The reaction will produce a noxious vapor.
• C) The reaction will generate enough light to require eye protection.
• D) The reaction may cause the container to freeze and break.
• E) The reaction will generate radiation.

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Definitions:

Membranous Labyrinth

A complex system of fluid-filled tubes and sacs found within the inner ear, important for hearing and balance.

Bony Labyrinth

A complex system of channels and cavities within the temporal bone of the skull that houses the organs of hearing and balance.

Low pH

A condition or measurement indicating that a solution is acidic, with a pH value less than 7.

Vallate Papillae

Big, rounded papillae found at the tongue's rear, playing a role in experiencing flavors.