DOL REC: Solubility Rules and Precipitation Reactions

Which compound is soluble: CuCO₃, CaCO₃, K₂CO₃, or SrCO₃?

• CuCO₃

• CaCO₃

• K₂CO₃

• SrCO₃

What is the solubility of PbI₂ in water?

• PbI₂ is soluble in water.

• PbI₂ is partially soluble in water.

• PbI₂ is insoluble in water.

• PbI₂ dissolves completely in water.

What is a precipitate in a chemical reaction?

• A liquid formed when a solid dissolves

• A color change that occurs during heating

• A gas released when two solutions are mixed

• A solid formed from the reaction of two aqueous solutions.

Is NaNO₃ soluble in water?

• Yes

• No

What is a precipitation reaction?

• A reaction where two solutions are mixed to form an insoluble solid (precipitate).

• A reaction that occurs when a gas is produced from a liquid solution.

• A reaction that involves the absorption of heat, resulting in a temperature decrease.

• A reaction that occurs when two solids are combined to form a liquid.