Which of the Following Is an Example of a Volatile

question 18

Multiple Choice

Which of the following is an example of a volatile material?

• A)water (H₂O)
• B)silica (SiO₂)
• C)iron oxide (Fe₂O₃)
• D)magnesium oxide (MgO)

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Definitions:

Acetylcholine

A neurotransmitter in the nervous system that plays a crucial role in muscle movement and cognitive functions such as memory and attention.

Dopamine

A neurotransmitter in the brain that plays a major role in reward-motivated behavior and other functions.

Serotonin

A neurotransmitter that has a significant impact on mood, emotion, and sleep.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits or reduces the activity of neurons.