When People Lose Their Hearing Slowly as They Age It

question 61

Multiple Choice

When people lose their hearing slowly as they age it is called:

• A) auditory degeneration.
• B) presbyopia.
• C) presbycusis.
• D) cataracts.

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Definitions:

Bromination

A chemical reaction involving the addition of bromine to another substance, often used to test for alkenes or alkanes.

Reactivity

An indicator of how easily a substance reacts chemically with different materials.

Benzenesulfonic Acid

An organosulfur compound with the formula C6H6SO3H; it's a strong acid used as a catalyst and in the production of detergents and synthetic resins.

Nitrobenzene

An organic compound constituted by a benzene ring bonded to a nitro group, used in the production of anilines.