Grade 12 Chemistry: Types of Reactions
A worksheet covering various types of chemical reactions for Grade 12 Chemistry students, including synthesis, decomposition, single displacement, double displacement, combustion, and redox reactions.
Includes
Standards
Grade 12 Chemistry: Types of Reactions
Name:
Date:
Score:
Read each question carefully and provide your best answer. Balance chemical equations where necessary.
1. Which type of reaction involves two or more reactants combining to form a single product?
Decomposition reaction
Synthesis reaction
Single displacement reaction
Double displacement reaction
2. In the reaction: 2KBr(aq) + Cl₂(g) → 2KCl(aq) + Br₂(l), what type of reaction is this?
Synthesis
Decomposition
Single displacement
Double displacement
3. A reaction where a compound breaks down into two or more simpler substances is called a reaction.
4. In a combustion reaction, a substance reacts with , usually producing heat and light.
5. Describe the key characteristics of a double displacement reaction and provide a balanced chemical equation as an example.
6. All redox reactions are also combustion reactions.
True
False
7. A single displacement reaction always involves a metal replacing a hydrogen atom from an acid.
True
False
Match the reaction type with its general form.
8. Synthesis
a. AB → A + B
9. Decomposition
b. A + BX → AX + B
10. Single Displacement
c. AX + BY → AY + BX
11. Double Displacement
d. A + B → AB
12. Balance the following chemical equation and identify the type of reaction:
C₃H₈(g) + O₂(g) → CO₂(g) + H₂O(g)
Reaction Type:
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