Name______Period______Date______
Types of Reactions
1. Match the equation type on the left to its representation on the right.
_____ synthesis
_____ decomposition
_____ single-displacement
_____ double-displacement
Decide whether each of the following equations represents a synthesis (s), decomposition (d), single-displacement (sd), or double-displacement (dd) reaction. Write your answer on the line.
______2. CO2 → C + O2
______3. NaCl + AgNO3 → NaNO3 + AgCl
______4. S + Cl2 → SCl2
______5. BaCl2 + 2NaOH → 2NaCl + Ba(OH)2
______6. Zn + CuSO4 → ZnSO4 + Cu
______7. CH4 → C + 2H2
______8. Pb(NO3)2 + Mg → Pb + Mg(NO3)2
In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
9. What type of chemical reaction results in the formation of a single product?
a. combustion c. decomposition
b. synthesis d. displacement
10. Which of the following is a product that can be formed by double-displacement reactions?
a. gas c. water
b. precipitate d. All of the above
11. Which of the following is true about decomposition reactions?
a. Electricity may be used as the energy source.
b. Only two products can be formed.
c. Energy as heat must be added to start the reaction; then it must be removed.
d. Both (a) and (b)
12. In the reaction Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g), what element has been displaced?
a. Zn c. S
b. H d. O
_____ 13. In the reaction described by the equation 2Al(s) + 3Fe(NO3)2(aq) ® 3Fe(s) + 2Al(NO3)3(aq), iron has been replaced by:
a. nitrate c. aluminum
b. water d. nitrogen
Complete each of the following reactions by writing both a word equation and a formula equation.
14. Synthesis Reactions:
a. sodium + oxygen →
b. Mg + F →
15. Decomposition Reactions:
a. Ag2O
b. water electricity
16. Single-Displacement Reactions:
a. sodium + water →
b. Al + NISO4 →
17. Dougle-Displacement Reactions:
a. silver nitrate + sodium chloride →
b. LiOH(aq) + Fe(NO3)3(aq) →
18. Combustion Reactions:
a. methane + oxygen →
b. C3H6 + O2 →