Which Reaction Is an Example of a Precipitation Reaction

question 34

Multiple Choice

Which reaction is an example of a precipitation reaction?

• A)H₂CO₃(aq)→ H₂O(l)+ CO₂(g)
• B)H₂SO₄(aq)+ Ca(OH)₂(aq)→ CaSO₄(aq)+ 2 H₂O(l)
• C)6 HCl(aq)+ 2 Al(s)→ 2 AlCl₃(aq)+ 3 H₂(g)
• D)FeCl₃(aq)+ 3 KOH(aq)→ Fe(OH)₃(s)+ 3 KCl(aq)
• E)2 Hg(l)+ O₂(g)→ 2 HgO(s)

---

Definitions:

Public Policy

Government actions in the form of laws, regulations, decisions, or actions designed to address public issues or achieve a public goal.

Indigenous People

Ethnic groups who are the original inhabitants of a given region, having preserved traditional practices and cultural identities over time.

Aztec Empire

A powerful and sophisticated Mesoamerican civilization known for its architectural, cultural, and military achievements, ruling from the 14th to the 16th centuries in what is now Mexico.

Miscegenation

An outdated term referring to the interbreeding of people considered to be of different racial types.