Identify the Salts That Are in Hard Water

question 124

Multiple Choice

Identify the salts that are in hard water.

• A) CaCO₃ and MgCO₃
• B) MgSO₄ and CaSO₄
• C) NaCl and KBr
• D) NaHSO₄ and Na₂SO₄
• E) NaOCl and HOCl

---

Definitions:

Range Of Convenience

A term possibly referring to the concept of "range of tolerance" in ecology, or if contextually about psychology or sociology, it might not be a recognized term, thus NO.

Cognitive Processes

Mental activities involved in acquiring knowledge and understanding through thought, experience, and the senses.

Individuality Corollary

A concept in George Kelly's personal construct theory, highlighting how people have unique perceptions and interpretations based on their personal experiences.

Predictive Efficiency

The degree to which a model, tool, or method can accurately forecast outcomes or behaviors.