Choose the INCORRECT Statement

question 115

Multiple Choice

Choose the INCORRECT statement.

• A) The thermite reaction is: Fe₂O₃(s) + 2 Al(s) → Al₂O₃(s) + 2 Fe(l).
• B) Aluminum's chief ore is bauxite.
• C) Al₂O₃ is an amphoteric oxide.
• D) Cryolite is Na₃AlF₆.
• E) Alumina is Al(OH)₃.

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Definitions:

Heart Rate

The rate at which the heart beats within a specific time period, often indicated in beats per minute (bpm).

Starling Law

A principle in physiology stating that the force of the heart's contraction is directly proportional to its initial length, influencing the stroke volume.

Stroke Volume

The amount of blood pumped by the left ventricle of the heart in one contraction, a key component in determining cardiac output and vascular health.

Baroreceptor Reflex

A reflex mechanism that helps maintain blood pressure stability by adjusting heart rate and blood vessel diameter in response to changes in blood pressure.