Classifying Chemical Reactions Quiz
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Questions and Answers

What type of reaction is represented by the equation Mg + I₂ → MgI₂?

  • Decomposition
  • Synthesis (correct)
  • Single Replacement
  • Double Replacement

    • What type of reaction is represented by the equation CuCl₂ + H₂S → CuS + HCl?

  • Double Replacement (correct)
  • Synthesis
  • Decomposition
  • Single Replacement

    • What type of reaction is represented by the equation NaOH + HClO₄ → NaClO₄ + H₂O?

  • Decomposition
  • Double Replacement (correct)
  • Synthesis
  • Single Replacement

    • What type of reaction is represented by the equation ZnCO₃ → ZnO + CO₂?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation HCl + Zn → ZnCl₂ + H₂?

    <p>Single Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation Na + MgCl₂ → NaCl + Mg?

    <p>Single Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation CaCl₂ + K₂CO₃ → CaCO₃ + KCl?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation K + Cl₂ → 2KCl?

    <p>Synthesis</p> Signup and view all the answers

    What type of reaction is represented by the equation H₂CO₃ → CO₂ + H₂O?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation H₂SO₄ + KOH → K₂SO₄ + H₂O?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation Al₂(CO₃)₃ → Al₂O₃ + CO₂?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation Al + O₂ → Al₂O₃?

    <p>Synthesis</p> Signup and view all the answers

    What type of reaction is represented by the equation Mg + F₂ → MgF₂?

    <p>Synthesis</p> Signup and view all the answers

    What type of reaction is represented by the equation PbSO₄ + AgNO₃ → Pb(NO₃)₂ + Ag₂(SO₄)?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation Ca + AgCl → CaCl₂ + Ag?

    <p>Single Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation HCl + NaOH → NaCl + H₂O?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation Li + S → Li₂S?

    <p>Synthesis</p> Signup and view all the answers

    What type of reaction is represented by the equation HCl + Mg(OH)₂ → H₂O + MgCl₂?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation Mg(OH)₂ → MgO + H₂?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation Fe(OH)₃ → FeO + H₂?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation Na₂CO₃ → CO₂ + NaO?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation K₂CO₃ → CO₂ + K₂O?

    <p>Decomposition</p> Signup and view all the answers

    What type of reaction is represented by the equation Ca(OH)₂ + H₃PO₄ → H₂O + Ca₃(PO₄)₂?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation Mg + HCl → H₂ + MgCl₂?

    <p>Single Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation KBr + Cl₂ → KCl + Br₂?

    <p>Single Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation FeS + HCl → FeCl₂ + H₂S?

    <p>Double Replacement</p> Signup and view all the answers

    What type of reaction is represented by the equation KI + Pb(NO₃)₂ → K(NO₃) + PbI₂?

    <p>Double Replacement</p> Signup and view all the answers

    Study Notes

    Types of Chemical Reactions

    • Synthesis Reactions involve two or more reactants combining to form a single product.

      • Example: Mg + I₂ → MgI₂
      • Example: K + Cl₂ → 2KCl
      • Example: Al + O₂ → Al₂O₃
      • Example: Mg + F₂ → MgF₂
      • Example: Li + S → Li₂S

    • Double Replacement Reactions occur when two compounds exchange ions or bonds to form two new compounds.

      • Example: CuCl₂ + H₂S → CuS + HCl
      • Example: NaOH + HClO₄ → NaClO₄ + H₂O
      • Example: CaCl₂ + K₂CO₃ → CaCO₃ + KCl
      • Example: H₂SO₄ + KOH → K₂SO₄ + H₂O
      • Example: PbSO₄ + AgNO₃ → Pb(NO₃)₂ + Ag₂(SO₄)
      • Example: HCl + NaOH → NaCl + H₂O
      • Example: HCl + Mg(OH)₂ → H₂O + MgCl₂
      • Example: FeS + HCl → FeCl₂ + H₂S
      • Example: KI + Pb(NO₃)₂ → K(NO₃) + PbI₂

    • Decomposition Reactions involve a single compound breaking down into two or more products.

      • Example: ZnCO₃ → ZnO + CO₂
      • Example: H₂CO₃ → CO₂ + H₂O
      • Example: Al₂(CO₃)₃ → Al₂O₃ + CO₂
      • Example: Mg(OH)₂ → MgO + H₂
      • Example: Fe(OH)₃ → FeO + H₂
      • Example: Na₂CO₃ → CO₂ + NaO
      • Example: K₂CO₃ → CO₂ + K₂O

    • Single Replacement Reactions occur when an element reacts with a compound, displacing another element from it.

      • Example: HCl + Zn → ZnCl₂ + H₂
      • Example: Na + MgCl₂ → NaCl + Mg
      • Example: Ca + AgCl → CaCl₂ + Ag
      • Example: Mg + HCl → H₂ + MgCl₂
      • Example: KBr + Cl₂ → KCl + Br₂

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    Test your knowledge on different types of chemical reactions with our flashcards. From synthesis to decomposition, this quiz covers various reactions and their classifications. Perfect for chemistry students looking to reinforce their understanding of chemical processes.

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