Which of the Following Dissolved Substances Would You Not Expect

question 7

Multiple Choice

Which of the following dissolved substances would you not expect to be in "pure" water?

• A) CN^-
• B) Fe²⁺
• C) O₂
• D) dust particles

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Definitions:

Mental Hospitals

Healthcare facilities specializing in the care and treatment of patients with psychiatric disorders.

Philippe Pinel

A French physician who was a pioneer in the treatment of mental illness, advocating for more humane psychological approaches rather than confinement and chains.

Witchcraft

The practice of magical skills, spells, and abilities, often associated with the exercise of supernatural powers.

Exorcism

A religious or spiritual ritual intended to cast out a demon or spirit from a person or area.