Classifying Chemical Reactions Post-Lab CP

Which reactions showed a color change? (Pick 3 Answers)

• Zn(s) + CuCl₂(aq) → ZnCl₂(aq) + Cu(s)
• Fe₂(SO₄)₃(aq) + KSCN(aq) → Fe(SCN)₃(aq) + K₂SO₄(aq)
• HC(aq)l + NaOH(aq) →NaCl(aq) + H₂O(𝑙)
• CaO(s) + H₂O(𝑙) → Ca(OH)₂(aq)
• (NH₄)₂CO₃(s) →NH₃(g) + CO₂(g) + H₂O(g)

Which reactions caused a burning piece of wood to go out? (Pick 2 Answers)

• (NH₄)₂CO₃(s) →NH₃(g) + CO₂(g) + H₂O(g)
• CaCO₃(s) + HCl(aq) →CaCl₂(aq) + CO₂(g) + H₂O(𝑙)
• CaO(s) + H₂O(𝑙) → Ca(OH)₂(aq)
• Zn(s) + CuCl₂(aq) → ZnCl₂(aq) + Cu(s)
• Fe₂(SO₄)₃(aq) + KSCN(aq) → Fe(SCN)₃(aq) + K₂SO₄(aq)

Which one of these is the unbalanced equation for the following reaction
Iron(III) Sulfate is reacted with Potassium Thiocyanate

• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• CaO + H₂O → Ca(OH)₂
• Zn + CuCl₂ → ZnCl₂ + Cu
• HCl + NaOH →NaCl + H₂O
• (NH₄)₂CO₃ →NH₃ + CO₂ + H₂O

Which one of these is the unbalanced equation for the following reaction

Magnesium Ribbon is reacted with Hydrochloric Acid

• Mg + HCl →H₂ + MgCl₂
• CaO + H₂O → Ca(OH)₂
• Zn + CuCl₂ → ZnCl₂ + Cu
• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• HCl + NaOH →NaCl + H₂O

Which one of these is the unbalanced equation for the following reaction

Ammonium Carbonate is Heated

• (NH₄)₂CO₃ →NH₃ + CO₂ + H₂O
• CaO + H₂O → Ca(OH)₂
• Zn + CuCl₂ → ZnCl₂ + Cu
• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• HCl + NaOH →NaCl + H₂O

Which one of these is the unbalanced equation for the following reaction

Calcium Carbonate is reacted with Hydrochloric Acid

• CaCO₃ + HCl →CaCl₂ + CO₂ + H₂O
• CaO + H₂O → Ca(OH)₂
• Zn + CuCl₂ → ZnCl₂ + Cu
• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• HCl + NaOH →NaCl + H₂O

Which one of these is the unbalanced equation for the following reaction

Zinc is reacted with Copper(II) Chloride

• Zn + CuCl₂ → ZnCl₂ + Cu
• CaO + H₂O → Ca(OH)₂
• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• HCl + NaOH →NaCl + H₂O
• (NH₄)₂CO₃ →NH₃ + CO₂ + H₂O

Which one of these is the unbalanced equation for the following reaction

Calcium oxide is reacted with Water

• CaO + H₂O → Ca(OH)₂
• Zn + CuCl₂ → ZnCl₂ + Cu
• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• HCl + NaOH →NaCl + H₂O
• (NH₄)₂CO₃ →NH₃ + CO₂ + H₂O

Which one of these is the unbalanced equation for the following reaction

Sodium Hydroxide is reacted with Hydrochloric Acid

• HCl + NaOH →NaCl + H₂O
• CaO + H₂O → Ca(OH)₂
• Zn + CuCl₂ → ZnCl₂ + Cu
• Fe₂(SO₄)₃ + KSCN → Fe(SCN)₃ + K₂SO₄
• (NH₄)₂CO₃ →NH₃ + CO₂ + H₂O

What type of reaction can this be classified as?
HCl + NaOH →NaCl + H₂O

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement
• Combustion