Which of the Following Is a Pure Substance

question 125

Multiple Choice

Which of the following is a pure substance?

• A)baking soda
• B)salt water
• C)cooking oil
• D)duct tape
• E)orange juice

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Definitions:

GABA

Gamma-aminobutyric acid, an inhibitory neurotransmitter in the brain that helps reduce neuronal excitability throughout the nervous system.

Alcohol

A psychoactive substance found in drinks such as beer, wine, and spirits, capable of altering mood, behavior, and cognitive functioning.

Tranquilizers

Medications used to reduce tension or anxiety, often by depressing nerve function or inducing sedation.

Hereditary Basis

The genetic foundation or background that influences the traits and characteristics that are passed from parents to offspring.