HC Ch 8.3 Classifying Reactions
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Chemistry
•
9th Grade
•
Medium
Standards-aligned
Robert Oliver
Used 2+ times
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10 Slides • 27 Questions
1
2
3
4
Multiple Choice
Which type of reaction involves the formation of a solid?
Combustion reaction
Synthesis reaction
Precipitation reaction
Decomposition reaction
5
Multiple Choice
What is the general form of a double displacement reaction?
AB + CD → AD + CB
A + B → AB
AB → A + B
A + BC → B + AC
6
Multiple Choice
Which reaction forms water?
double replacement
acid-base
precipitate
oxidation reduction
7
8
Multiple Choice
Last section, what name did we learn for a reaction where one metal gains electrons and another loses electrons?
Double Displacement
Oxidation Reduction
Ionic Association
Acid Base
9
10
Multiple Choice
What are the driving forces for a chemical reaction?
Transfer of electrons and formation of a gas
Absorption of light and sound
Increase in temperature and pressure
Decrease in volume and mass
11
Multiple Choice
What type of reaction is represented by the equation A + BC → B + AC?
Double replacement reaction
Single replacement reaction
Decomposition reaction
Synthesis reaction
12
Multiple Choice
In a single replacement reaction, what happens to the element A in the equation A + BC → B + AC?
A combines with B
A replaces B
A decomposes into B and C
A remains unchanged
13
Multiple Choice
Which of the following is an example of a single replacement reaction?
Zn + 2HCl → H₂ + ZnCl₂
H₂ + O₂ → H₂O
NaCl + AgNO₃ → NaNO₃ + AgCl
C + O₂ → CO₂
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15
Multiple Select
Which are characteristics of combustion reactions?
They always involve carbon.
They produce energy slowly.
They produce energy rapidly.
They produce heat without a flame.
They always involve oxygen
16
Multiple Choice
Which of the following is a product of the combustion of methane (CH₄)?
H₂
CO₂
O₂
N₂
17
Multiple Choice
Combustion reactions are a special class of which type of reactions?
Precipitation reactions
Acid-base reactions
Oxidation-reduction reactions
Synthesis reactions
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19
Multiple Choice
What is a synthesis reaction?
A reaction where a compound breaks down into simpler materials.
A reaction where a compound forms from simpler materials.
A reaction where two compounds exchange ions.
A reaction where energy is absorbed.
20
Multiple Choice
Which of the following is an example of a synthesis reaction?
H₂O(l) → H₂(g) + O₂(g)
NaCl(s) → Na⁺(aq) + Cl⁻(aq)
C(g) + O₂(g) → CO₂(g)
HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)
21
Multiple Choice
Synthesis reactions are a special class of which type of reactions?
Acid-base reactions
Precipitation reactions
Oxidation-reduction reactions
Decomposition reactions
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23
Multiple Choice
What occurs during a decomposition reaction?
A compound is formed from simpler substances.
A compound is broken down into simpler substances.
Two elements combine to form a compound.
Energy is absorbed to form a new compound.
24
Multiple Choice
What is the result of a decomposition reaction?
A new compound is formed.
Simpler substances are produced.
Energy is released.
A single element is created.
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27
Multiple Choice
What type of reaction involves the transfer of electrons between substances?
Synthesis reactions
Oxidation–reduction reactions
Acid–base reactions
Decomposition reactions
28
Multiple Choice
Which type of reaction involves the formation of a solid from two solutions?
Oxidation–reduction reactions
Acid–base reactions
Precipitation reactions
Combustion reactions
29
Multiple Choice
Which type of reaction involves the combination of elements to form a compound?
Decomposition reactions
Combustion reactions
Synthesis reactions
Precipitation reactions
30
Multiple Choice
What type of reaction involves the breakdown of a compound into elements?
Synthesis reactions
Decomposition reactions
Acid–base reactions
Oxidation–reduction reactions
31
Multiple Choice
Which type of reaction involves the reaction of a substance with oxygen to produce heat and light?
Combustion reactions
Precipitation reactions
Acid–base reactions
Synthesis reactions
32
Multiple Choice
Which reaction type involves reactants that are elements?
Synthesis reactions
Decomposition reactions
Acid-base reactions
Precipitation reactions
33
Multiple Choice
C3H6O + 4 O2 -->3 CO2 + 3 H2O
34
Multiple Choice
2Pb(NO3)2 --> 2PbO + 4NO2 + O2
35
Multiple Choice
36
Multiple Choice
What type of reaction is this?
3KOH + H3PO4 --> K3PO4 + 3H2O
Synthesis
Decomposition
Single Replacement
Double Replacement
37
Multiple Choice
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