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Grade 10 Types of Chemical Reactions Worksheet with Answers

Grade 10 (US) · Year 11 (UK) · Class 10 (India) · Chemistry

Unit 3: Chemical ReactionsReaction TypesNGSS HS-PS1-2

Synthesis, decomposition, single and double replacement and combustion reactions. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Types of Chemical Reactions

Grade 10 · Chemistry

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Learning goal: Reaction Types · NGSS HS-PS1-2

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

RememberTypes of reactions

SynthesisA + B → ABDecompositionAB → A + BSingle replacementA + BC → AC + BDouble replacementAB + CD → AD + CBCombustionfuel + O₂ → CO₂ + H₂ONeutralizationacid + base → salt + water
Part A

Match each clue to the right word. Write the letter in the box.

  1. 1Reaction type? CH₄ + 2O₂ → CO₂ + 2H₂O
  2. 2Reaction type? Zn + CuSO₄ → ZnSO₄ + Cu
  3. 3Reaction type? AB + CD → AD + CB
  4. 4Reaction type? 2Na + Cl₂ → 2NaCl
  5. 5Reaction type? 2H₂O → 2H₂ + O₂
  • ACombustion
  • BSynthesis
  • CDouble replacement
  • DDecomposition
  • ESingle replacement
Part B

Answer each question. Use full sentences where you can.

  1. 6

    Reaction type? A + BC → AC + B

  2. 7

    What does a catalyst do?

  3. 8

    Is a reaction that releases heat exothermic or endothermic?

    ExothermicEndothermic
  4. 9

    What are the products of the complete combustion of a hydrocarbon?

  5. 10

    Reaction type? A + B → AB

  6. 11

    Reaction type? AB → A + B

  7. 12

    Reaction type? NaCl + AgNO₃ → NaNO₃ + AgCl

★ Challenge corner for fast finishers

You are in a closed room with a candle, a match and a lamp. What do you light first?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/chemistry/10/reaction_types

Answer key (click to show)
  1. 1.A — combustion
  2. 2.E — single replacement
  3. 3.C — double replacement
  4. 4.B — synthesis
  5. 5.D — decomposition
  6. 6.single replacement
  7. 7.speeds up a reaction without being used up
  8. 8.exothermic
  9. 9.carbon dioxide and water
  10. 10.synthesis
  11. 11.decomposition
  12. 12.double replacement
  13. ★the match (challenge corner)

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