Understanding Precipitation Reactions

Match the term 'Precipitate' with its definition.

• A solid that forms from a liquid solution.

• A gas that escapes from a liquid solution.

• A liquid that evaporates quickly.

• A solid that dissolves in water.

Match the term 'Soluble' with its definition.

• A measure of acidity in a solution.

• Able to dissolve in a solvent.

• A type of chemical reaction.

• Incapable of mixing with a solvent.

Match the term 'Insoluble' with its definition.

• A solid that forms when two liquids are mixed together.

• A mixture of two or more substances that remain separate.

• A substance that cannot be dissolved in a solvent.

• A substance that can be easily dissolved in a solvent.

Match the term 'Aqueous' with its definition.

• Aqueous is a term used for dry substances.

• Aqueous refers to a gas-like state.

• Aqueous means a type of solid material.

• Aqueous means containing water or related to water.

Match the term 'Double Replacement' with its definition.

• A reaction where two compounds exchange ions to form new compounds.

• A reaction where one compound decomposes into two products.

• A reaction that involves the transfer of electrons between compounds.

• A process where two compounds combine to form a single compound.

Which of the following compounds is insoluble in water? A. NaNO₃ B. AgCl C. KCl D. Ba(NO₃)₂

• KBr

• CaCl₂

• AgCl

• NaCl

What is the precipitate formed when Na₂CO₃ reacts with CaCl₂? A. CaCO₃ B. NaCl C. CaCl₂ D. No precipitate

• CaO

• Ca(OH)₂

• A. CaCO₃

• Na₂CO₃

Which of these reactions does not form a precipitate? A. AgNO₃ + NaCl B. Pb(NO₃)₂ + KI C. KNO₃ + NaCl D. BaCl₂ + Na₂SO₄

• D. BaCl₂ + Na₂SO₄

• C. KNO₃ + NaCl

• A. AgNO₃ + NaCl

• B. Pb(NO₃)₂ + KI

What forms when Pb(NO₃)₂ reacts with KI? A. PbI₂ B. KNO₃ C. No reaction D. KI

• Pb(NO₃)₂

• K₂I₂

• PbI₄

• A. PbI₂

What is the result of mixing BaCl₂ and Na₂SO₄? A. BaSO₄ B. NaCl C. No precipitate D. BaCl₂

• Na₂Cl₂

• BaSO₄ + NaCl

• A. BaSO₄

• BaCl₂SO₄