Iron (III) Chloride Hexahydrate Is Used as a Coagulant for Sewage

question 75

Multiple Choice

Iron (III) chloride hexahydrate is used as a coagulant for sewage and industrial wastes. What is its formula?

• A)Fe(Cl·6H₂O)₃
• B)Fe ₃Cl·6H ₂O
• C)FeCl ₃(H ₂O)₆
• D)Fe ₃Cl(H ₂O)₆
• E)FeCl ₃·6H ₂O

---

Definitions:

Psychological Research

The systematic investigation of mental processes and behavior through experiments, observations, and measurements to test hypotheses and theories.

Psychoanalytic Research

An area of study based on psychoanalytic theories, focusing on unconscious processes, childhood experiences, and the analytic techniques to understand behavior and mental states.

Psychological Insights

Understandings or discoveries pertaining to mental processes, behaviors, and the emotional state of individuals.

Freud's Ideas

The theories and concepts developed by Sigmund Freud that focus on unconscious motives, conflicts, and the influence of childhood experiences on adult personality and behavior.