In the Qualitative Analysis Scheme,Mg²⁺ Is a Group IV Cation

question 49

Multiple Choice

In the qualitative analysis scheme,Mg²⁺ is a group IV cation.What anion is used to precipitate Mg²⁺?

• A) OH−
• B) Cl−
• C) PO₄³⁻
• D) S²⁻
• E) CO₃²⁻

---

Definitions:

Letter Report

A formal document that combines the features of a letter and a report, used to communicate findings, results, or recommendations in a professional context.

Software Testing

The process of evaluating the functionality, security, and performance of a software application to ensure it meets specified requirements.

Infected by Virus

A situation or state wherein a computer or biological system is infiltrated and affected by a malware or viral agent.

Preliminary Pages

The initial sections of a book or document, including the title page, table of contents, and sometimes a preface or acknowledgments.