AP Chem Exam #4 Review
Authored by Morey Miller
Chemistry
10th Grade - University
NGSS covered
Used 68+ times
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This AP Chemistry exam review quiz covers fundamental concepts in acid-base chemistry, oxidation-reduction reactions, stoichiometry, and reaction classification. The questions assess 11th and 12th-grade level understanding of Brønsted-Lowry acid-base theory, including identification of conjugate acid-base pairs and the behavior of weak acids in aqueous solution. Students must demonstrate mastery of redox reactions by balancing half-reactions, determining oxidation states, and writing net ionic equations for electron transfer processes. The quiz also tests stoichiometric calculations using balanced chemical equations, requiring students to apply mole-to-mole ratios and conservation of mass principles. Additionally, students need to distinguish between physical and chemical changes based on experimental observations and classify reaction types including precipitation, acid-base, and oxidation-reduction mechanisms. Created by Morey Miller, a Chemistry teacher in US who teaches grade 10-13. This comprehensive review quiz serves multiple instructional purposes in preparing students for the AP Chemistry examination. Teachers can implement this assessment as a diagnostic tool during unit reviews to identify knowledge gaps in reaction chemistry, or assign it as homework to reinforce concepts before major assessments. The varied question formats make it excellent for formative assessment, allowing educators to gauge student understanding of complex chemical processes and adjust instruction accordingly. The quiz aligns with AP Chemistry Learning Objectives covering Big Ideas 3 and 4, specifically addressing standards related to chemical reactions, stoichiometry, and acid-base equilibria (AP Chem LO 3.1, 3.2, 3.8, 4.1, and 4.2), making it an invaluable resource for systematic exam preparation and concept mastery verification.
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The particle diagram above represents an aqueous solution of a weak monoprotic acid. The white circles represent H atoms. Which of the following shows the species that act as a Brønsted-Lowry base and its conjugate acid, in that order, in the solution?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The compound C6H8O6 reacts with I2 according to the reaction represented by the equation above. The reaction is correctly classified as which of the following types?
Acid-base, because H+ ions are produced.
Precipitation, because there are only two reactants but there are three products.
Double replacement, because both H and I appear as ions in the products.
Oxidation-reduction, because I2 is reduced.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Based on the balanced equation, which of the following identifies the oxidation and reduction half-reactions?
Tags
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For one of the procedures, the student concluded that a physical change took place, but not a chemical change. Which of the following could have been the results of the procedure?
A cube of metal was changed into a flat sheet of metal.
When two liquids at room temperature were combined in a beaker, the beaker became hot.
When two clear liquids were combined, the resulting mixture was cloudy.
When a colorless liquid was added to a blue liquid, the resulting solution was yellow.
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When C2H4(g) reacts with H2(g), the compound
C2H6(g) is produced, as represented by the equation above. The reaction is correctly classified as which of the following types?
Acid-base, because two hydrogen atoms are donated to
C2H4(g).
Precipitation, because two reactant species form a single product.
Decomposition, because pure H2(g) is consumed.
Oxidation-reduction, becauseH2(g) is oxidized.
Tags
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When 0.20 M NH4Cl(aq) and 0.20 M NaOH(aq) are mixed, the reaction represented by the equation above occurs and a strong smell of ammonia, NH3, is observed. Based on this information, which of the following statements is true?
NH4+(aq) acts as a Brønsted-Lowry base.
NH4+(aq) is a stronger acid than H2O(l) is.
NH3(aq) is a stronger base than OH−(aq) is.
NH4+(aq) and Cl−(aq) are a conjugate acid-base pair.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Based on the half-reactions, what is the coefficient for Al(s) if the equation for the oxidation-reduction reaction is balanced with the smallest whole-number coefficients?
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Tags
NGSS.HS-PS1-7
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