Which Ion Produces the Red Color in Rubies

question 50

Multiple Choice

Which ion produces the red color in rubies?

• A) Mn²⁺
• B) Zr⁴⁺
• C) Pd²⁺
• D) Cr³⁺
• E) Ti⁴⁺

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Definitions:

Strategic Constituencies Analysis

An assessment method used in strategic management to identify and evaluate the expectations and influence of various stakeholders within an organization.

Mission and Domain Analysis

The process of both defining an organization's purpose, goals, and scope of operations, and identifying its strategic or competitive domain.

Business Portfolio Planning Analysis

A process of evaluating a company’s set of businesses, products, or investments to allocate resources strategically and maximize profitability.

Competitor Analysis

The process of evaluating the strengths and weaknesses of competing entities within the same market to strategize better positioning.