The Presence of Which of the Following Cations Results in Hard

question 30

Multiple Choice

The presence of which of the following cations results in hard water?

• A) Ca²⁺
• B) Fe³⁺
• C) Mg²⁺
• D) any of these

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Definitions:

Disturbed Sensory Perception

An altered state in which one's ability to perceive environmental stimuli through the senses is impaired or inaccurate.

Ineffective Denial

A defense mechanism where an individual refuses to accept reality or facts, leading to harmful behaviors or lack of problem-solving.

Microcephalic

A medical condition where an individual's head is significantly smaller than normal for their age and sex, often due to abnormal brain development.