Aqueous Solutions of a Compound Did Not Form Precipitates with Cl^-,Br^-,I^-,SO₄^2-,CO₃^2-,PO₄^3-,OH^-,or

question 137

Multiple Choice

Aqueous solutions of a compound did not form precipitates with Cl^-,Br^-,I^-,SO₄^2-,CO₃^2-,PO₄^3-,OH^-,or S^2-.This highly water-soluble compound produced the foul-smelling gas H₂S when the solution was acidified.This compound is ________.

• A)Pb(NO₃)₂
• B)(NH₄)₂S
• C)KBr
• D)Li₂CO₃
• E)AgNO₃

---

Definitions:

Positive Thinking

The practice of focusing on good and positive thoughts to achieve a desired outcome or to cope with negative situations.

Reinforcement

A process in psychology that strengthens or weakens a behavior by adding or removing a stimulus after the behavior occurs.

Individual Differences

Pertains to the distinct variations in characteristics among individuals in a population.

High Blood Pressure

A medical condition where the force of the blood against the artery walls is consistently too high, which can lead to health problems.