Which of the Following Statements Concerning Calcium Is False

question 29

Multiple Choice

Which of the following statements concerning calcium is false?

• A)Calcium metal is produced by the reduction of calcium oxide by aluminum.
• B)Coral reefs are composed mainly of calcium hydroxide.
• C)The mineral gypsum is composed of calcium sulfate dihydrate.
• D)Calcium reacts with hydrogen to produce calcium hydride.
• E)Seashells are composed principally of calcium carbonate.

---

Definitions:

Trembling

An involuntary shaking, quivering, or trembling of the body that can result from various factors, including emotional states, medical conditions, or cold temperatures.

Panic Disorder

A psychiatric disorder characterized by recurrent unexpected panic attacks—sudden periods of intense fear or discomfort.

Overwhelming Anxiety

An intense feeling of worry, nervousness, or unease that can severely impact day-to-day functioning.

Heart Pounds

A sensation where the heartbeat is strongly and rapidly felt, often due to excitement, fear, or physical exertion.