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Copy of Identifying Chemical Reactions 1 (5/28/2026)

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Last updated about 2 hours ago
20 questions
Note from the author:
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Untitled Section
Untitled Section
C.4.1 Describe, classify, and give examples of various kinds of reactions: synthesis (i.e., combination), decomposition, single displacement, double displacement, acid/base, and combustion.

Learning Goals:
  • I can describe the six types of reactions.
  • I can classify the six types of reactions
C.4.1 Describe, classify, and give examples of various kinds of reactions: synthesis (i.e., combination), decomposition, single displacement, double displacement, acid/base, and combustion.

Learning Goals:
  • I can describe the six types of reactions.
  • I can classify the six types of reactions
Combination (Synthesis) Reactions
  • A + B → AB
Decomposition Reactions
  • AB → A + B
Combustion Reactions
  • Oxygen is always a reactant.
  • Water is always a product.
Single-Replacement Reactions
  • A + BC → AC + B
Double-Replacement Reactions
  • AB + CD → AC + BD
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2 PbSO4 → 2 PbSO3 + O2

2 NH3 + 3 I2 → N2I6 + 3 H2

H2SO4 + 2 NH4OH → 2 H2O + (NH4)2SO4

H2O + SO3 → H2SO4

CH4 + O2 → H2O + CO2
Combination Reactions
  • A + B → AB
Decomposition Reactions
  • AB → A + B
Combustion Reactions
  • Oxygen is always a reactant.
  • Water is always a product.
Single-Replacement Reactions
  • A + BC → AC + B
Double-Replacement Reactions
  • AB + CD → AC + BD
Question 1
1.
_______ SeCl6 + O2 → SeO2 + 3 Cl2
Question 2
2.
_______ 2 MgI2 + Mn(SO3)2 → 2 MgSO3 + MnI4
Question 3
3.
_______ O3 → O- + O2
Question 4
4.
_______ C3H6 + NH3 + O2 → C3H3N + H2O
Question 5
5.
_______ 2 SO3 → 2 SO2 + O2
Combination Reactions
  • A + B → AB
Decomposition Reactions
  • AB → A + B
Combustion Reactions
  • Oxygen is always a reactant.
  • Water is always a product.
Single-Replacement Reactions
  • A + BC → AC + B
Double-Replacement Reactions
  • AB + CD → AC + BD
Question 6
6.
_______C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
Question 7
7.
_______ H3PO4 + KOH → K3PO4 + H2O
Question 8
8.
_______ 4 Na + O2 → 2 Na2O
Question 9
9.
_______ 3 Li + AlCl3 → 3 LiCl + Al
Question 10
10.
_______ 4 C + 2 SO2 → CS2 + 4 CO
Combination Reactions
  • A + B → AB
Decomposition Reactions
  • AB → A + B
Combustion Reactions
  • Oxygen is always a reactant.
  • Water is always a product.
Single-Replacement Reactions
  • A + BC → AC + B
Double-Replacement Reactions
  • AB + CD → AC + BD
Question 11
11.
_______ P4 + 3 O2 → 2 P2O3
Question 12
12.
_______ 2 RbNO3 + BeF2 → Be(NO3)2 + 2 RbF
Question 13
13.
_______ 2 AgNO3 + Cu → Cu(NO3)2 + 2 Ag
Question 14
14.
_______ C3H6O + 4 O2 → 3 CO2 + 3 H2O
Question 15
15.
_______ 2 C5H5 + Fe → Fe(C5H5)2
Combination Reactions
  • A + B → AB
Decomposition Reactions
  • AB → A + B
Combustion Reactions
  • Oxygen is always a reactant.
  • Water is always a product.
Single-Replacement Reactions
  • A + BC → AC + B
Double-Replacement Reactions
  • AB + CD → AC + BD
Question 16
16.
_______ Na3PO4 + 3 KOH → 3 NaOH + K3PO4
Question 17
17.
_______ MgCl2 + Li2CO3 → MgCO3 + 2 LiCl
Question 18
18.
_______ C6H12 + 9 O2 → 6 CO2 + 6 H2O
Question 19
19.
_______ Pb + FeSO4 → PbSO4 + Fe
Question 20
20.
_______ CaCO3 → CaO + CO2