What Is an Appropriate Method for the Synthesis of Phosphorus

question 253

Multiple Choice

What is an appropriate method for the synthesis of phosphorus?

• A)2 Ca₃(PO₄)₂(s)+ 10 C(s)+ 6 SiO₂(s)+ heat → P₄(g)+ 10 CO(g)+ 6 CaSiO₃(l)
• B)4 PCl₅(s)+ heat → P₄(g)+ 10 Cl₂(g)
• C)4 PH₃(g)+ heat → P₄(g)+ 6 H₂(g)
• D)P₄O₆(s)+ heat → P₄(g)+ 3 O₂(g)

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Definitions:

Low-context Cultures

Cultures where communication is explicit, messages are expressed directly, and less interpretation is based on context or non-verbal cues.

Incompetent Employee

A worker who lacks the skills, abilities, or knowledge required to perform job duties satisfactorily.

Absenteeism

The frequent absence of an employee from work, which can negatively impact productivity and morale in the workplace.

High-context Cultures

Societies or groups where communication is heavily reliant on contextual elements (such as body language, tone of voice, and social status) rather than explicit, direct words.