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Grade 9 Types of Chemical Reactions Worksheet with Answers
Grade 9 (US) · Year 10 (UK) · Class 9 (India) · Chemistry
Unit 5: Going FurtherAdvanced: Chemistry II PreviewNGSS HS-PS1-2Advanced
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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Practice Sheetaethelsystems.comTypes of Chemical Reactions
Grade 9 · Chemistry
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Class
Date
Learning goal: Advanced: Chemistry II Preview · NGSS HS-PS1-2
Directions: This worksheet has 2 parts. Read the instructions at the start of each part.
RememberTypes of reactions
Match each clue to the right word. Write the letter in the box.
- 1Reaction type? CH₄ + 2O₂ → CO₂ + 2H₂O
- 2Reaction type? 2Na + Cl₂ → 2NaCl
- 3Reaction type? Zn + CuSO₄ → ZnSO₄ + Cu
- 4Reaction type? AB + CD → AD + CB
- 5Reaction type? AB → A + B
- ACombustion
- BSynthesis
- CDouble replacement
- DDecomposition
- ESingle replacement
Answer each question. Use full sentences where you can.
- 6
Reaction type? A + BC → AC + B
- 7
Is a reaction that releases heat exothermic or endothermic?
ExothermicEndothermic - 8
What does a catalyst do?
- 9
What are the products of the complete combustion of a hydrocarbon?
- 10
Reaction type? NaCl + AgNO₃ → NaNO₃ + AgCl
- 11
Reaction type? 2H₂O → 2H₂ + O₂
- 12
Reaction type? A + B → AB
★ Challenge corner for fast finishers
Why does your breath make fog on a cold window?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/chemistry/9/reaction_types
Answer key — Types of Chemical Reactions (Grade 9)
- 1.A — combustion
- 2.B — synthesis
- 3.E — single replacement
- 4.C — double replacement
- 5.D — decomposition
- 6.single replacement
- 7.exothermic
- 8.speeds up a reaction without being used up
- 9.carbon dioxide and water
- 10.double replacement
- 11.decomposition
- 12.synthesis
- ★water vapor in your breath condenses on the cold glass
Answer key (click to show)
- 1.A — combustion
- 2.B — synthesis
- 3.E — single replacement
- 4.C — double replacement
- 5.D — decomposition
- 6.single replacement
- 7.exothermic
- 8.speeds up a reaction without being used up
- 9.carbon dioxide and water
- 10.double replacement
- 11.decomposition
- 12.synthesis
- ★water vapor in your breath condenses on the cold glass (challenge corner)
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