When Phosphate Rock, Ca₃(PO₄)₂(s), Is Converted to Phosphorus

question 48

Multiple Choice

When phosphate rock, Ca₃(PO₄) ₂(s) , is converted to phosphorus,

• A) one of the products of the reaction is water.
• B) sulfuric acid is added to generate insoluble calcium sulfate.
• C) hydrogen is used to reduce the phosphate to phosphorus.
• D) silica is added to form a calcium silicate slag.
• E) oxygen must be added to prevent reaction of P₄.

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Definitions:

Nominal Fallacy

The misconception that naming something explains it, without understanding the underlying causes or nature of what is being named.

Instinct Theories

Theories that propose individuals are driven to behave in certain ways due to evolutionary programmed instincts.

Labeling

The process of identifying and naming behaviors, conditions, or phenomena, often leading to the categorization or stigmatization of individuals within societal contexts.

William McDougall

A British psychologist and one of the founding figures of social psychology, known for his work on instinct and the social nature of human beings.