How Many of the Following Compounds Are Insoluble in Water

question 8

Multiple Choice

How many of the following compounds are insoluble in water?
KC₂H₃O₂ CaSO₄ SrS AlPO₄

• A)0
• B)1
• C)2
• D)3
• E)4

---

Definitions:

Counterattitudinal Behaviour

Actions that contradict one's own beliefs or attitudes, often used in experiments to explore cognitive dissonance.

Vignette

A short impressionistic scene that focuses on one moment or character and gives a trenchant impression about that character, an idea, setting, or object.

Classical Conditioning

A learning framework in which the recurrent association of two stimuli results in a response that, while initially evoked by the second stimulus, is subsequently evoked by the first stimulus alone.

Positive Attitude

A mental state or disposition that reflects expectations of favorable outcomes or an optimistic viewpoint.