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Advanced Placement · Science · College Board (Advanced Placement Program)

AP Chemistry Mock Tests, Syllabus & Complete Exam Guide

AP Chemistry. Practise 20 full-length mock tests on the official pattern, drill every topic, and get the eligibility, syllabus, cut-off, rank and college details you need — all in one place.

AP Chemistry at a glance

Section I
60 MCQ · 90 min (50%)
Section II
7 free response · 105 min (50%)
Score
1–5
Mocks here
20 full Section I tests
ModeSection I multiple choice + Section II free response
FrequencyOnce a year, in May
LanguagesEnglish
By the ExamguruX Editorial TeamReviewed for pattern accuracy against College Board (Advanced Placement Program)Last updated 13 October 2026

AP Chemistry full-length mock tests

Attempt 20 full-length AP Chemistry mock tests built on the official 60-question pattern. The first mock is free — every test comes with instant results and a step-by-step solution for each question.

AP Chemistry Full Mock Test 01

Free
60 Qs · 60 marks90 minEasy
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AP Chemistry Full Mock Test 02

60 Qs · 60 marks90 minModerate
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AP Chemistry Full Mock Test 03

60 Qs · 60 marks90 minHard
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AP Chemistry Full Mock Test 04

60 Qs · 60 marks90 minEasy
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AP Chemistry Full Mock Test 05

60 Qs · 60 marks90 minModerate
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AP Chemistry Full Mock Test 06

60 Qs · 60 marks90 minHard
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AP Chemistry Full Mock Test 07

60 Qs · 60 marks90 minEasy
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AP Chemistry Full Mock Test 08

60 Qs · 60 marks90 minModerate
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AP Chemistry Full Mock Test 09

60 Qs · 60 marks90 minHard
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Unlock all AP Chemistry tests

Try the first full-length mock free. Get the complete AP Chemistry mock library, every topic test and all available languages for 3 months — a one-time ₹399 / 3 months.

AP Chemistry — full access

₹399/ 3 months
  • Every full-length mock test
  • All topic-wise tests, every subject
  • All available languages
  • Step-by-step solution for every question
  • Indicative marks-to-rank & cut-offs

Secure payment by Razorpay · one-time ₹399 for 3 months

AP Chemistry topic-wise tests & syllabus

120 topic tests across 8 subjects — a focused set of 15 tests for every topic in the AP Chemistry syllabus, tagged with approximate exam weightage so you practise where the marks are.

120 topic-wise tests · 15 per topic across 8 subjects. Pick a subject, expand a topic, and start drilling.

Periodic Trends, Bonding & VSEPR — Test 01

10 Qs · 10 marks10 minModerate
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Periodic Trends, Bonding & VSEPR — Test 02

10 Qs · 10 marks10 minHard
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Periodic Trends, Bonding & VSEPR — Test 03

10 Qs · 10 marks10 minEasy
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Periodic Trends, Bonding & VSEPR — Test 04

10 Qs · 10 marks10 minModerate
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Periodic Trends, Bonding & VSEPR — Test 05

10 Qs · 10 marks10 minHard
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Periodic Trends, Bonding & VSEPR — Test 06

10 Qs · 10 marks10 minEasy
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Periodic Trends, Bonding & VSEPR — Test 07

10 Qs · 10 marks10 minModerate
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Periodic Trends, Bonding & VSEPR — Test 08

10 Qs · 10 marks10 minHard
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Periodic Trends, Bonding & VSEPR — Test 09

10 Qs · 10 marks10 minEasy
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Periodic Trends, Bonding & VSEPR — Test 10

10 Qs · 10 marks10 minModerate
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Periodic Trends, Bonding & VSEPR — Test 11

10 Qs · 10 marks10 minHard
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Periodic Trends, Bonding & VSEPR — Test 12

10 Qs · 10 marks10 minEasy
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AP Chemistry sample questions

A few real AP Chemistry questions with answers and step-by-step solutions, in the exact style of the full mock tests.

Atomic & Molecular StructureSample 1

What is the molecular geometry of SiCl₄?

  • A.Tetrahedral
  • B.Trigonal bipyramidal
  • C.Trigonal planar
  • D.Bent

Solution: By VSEPR theory, SiCl₄ is tetrahedral.

Intermolecular Forces & PropertiesSample 2

A gas occupies 6 L at 3 atm. At constant temperature, what volume does it occupy at 6 atm?

  • A.12 L
  • B.3 L
  • C.6 L
  • D.8 L

Solution: P₁V₁ = P₂V₂ ⇒ V₂ = 3 × 6/6 = 3 L.

Chemical Reactions & StoichiometrySample 3

A reaction has a theoretical yield of 21 g. The actual yield is 13.65 g. What is the percent yield?

  • A.65%
  • B.35%
  • C.1.54%
  • D.6.5%

Solution: 13.65/21 × 100 = 65%.

KineticsSample 4

A first-order reaction has a half-life of 20 min. What is its rate constant?

  • A.13.86 min⁻¹
  • B.0.0347 min⁻¹
  • C.0.05 min⁻¹
  • D.28.86 min⁻¹

Solution: k = 0.693/t½ = 0.693/20 = 0.0347 min⁻¹.

ThermodynamicsSample 5

Reaction 1: A → B, ΔH = -40 kJ. Reaction 2: B → C, ΔH = 186 kJ. What is ΔH for A → C?

  • A.-226 kJ
  • B.-146 kJ
  • C.146 kJ
  • D.-74 kJ

Solution: Hess's law: A → B (-40) + B → C (186) = 146 kJ.

EquilibriumSample 6

For A(g) + B(g) ⇌ 2C(g), equilibrium concentrations are [A] = 1 M, [B] = 1 M and [C] = 0.4 M. What is Kc?

  • A.0.16
  • B.0.4
  • C.1.66
  • D.6.25

Solution: Kc = [C]²/([A][B]) = 0.4²/(1 × 1) = 0.16.

About the AP Chemistry exam

College-level general chemistry; may earn university credit.

About AP Chemistry

AP Chemistry spans atomic structure, bonding, intermolecular forces, reactions, kinetics, thermodynamics, equilibrium, acids and bases, and electrochemistry. Around two-fifths of multiple-choice questions involve mathematical routines.

AP Chemistry eligibility & exam pattern

Check whether you meet the AP Chemistry eligibility criteria and understand exactly how the paper is structured and marked before you plan your preparation.

Eligibility criteria

Who can take it
Any student; you do not need to have taken the AP course.
Where
Through a school or authorised AP test centre.

Exam pattern & marking

SubjectQuestionsMarks
Atomic & Molecular StructurePeriodic Trends, Bonding & VSEPR6MCQ
Intermolecular Forces & PropertiesIntermolecular Forces, Gases & Solutions12MCQ
Chemical Reactions & StoichiometryMoles, Limiting Reactant & Yield10MCQ
KineticsRate Laws & Half-Life7MCQ
ThermodynamicsHeat, Enthalpy & Hess's Law7MCQ
EquilibriumEquilibrium Constants & Reaction Quotient6MCQ
Acids & BasespH, Titrations, Weak Acids & Buffers9MCQ
ElectrochemistryGalvanic Cells & Free Energy3MCQ
Section II — Free response3 long + 4 short, 105 minutes (not included in these mocks)750% of score
Total67100

AP Chemistry has 60 multiple-choice questions in 90 minutes and 7 free-response questions (3 long, 4 short) in 105 minutes, each section worth 50%. These mocks cover Section I across stoichiometry, gases and solutions, intermolecular forces, kinetics, thermodynamics, equilibrium, acids and bases, electrochemistry and structure, with constants stated in each question. These mocks cover the full multiple-choice section (Section I); free-response questions are not included.

Duration: 90 minutes (Section I).

How to prepare for AP Chemistry

A proven, focused AP Chemistry preparation method — from building strong fundamentals to peaking with full-length mocks.

  1. 1

    Stoichiometry first

    Mole conversions underpin almost every calculation.

  2. 2

    Know your equilibrium tools

    K expressions, Q vs K and Henderson–Hasselbalch appear often.

  3. 3

    Explain with IMFs

    Boiling points and vapour pressure are explained by intermolecular forces.

AP Chemistry scores explained

AP exams are scored 1–5. The multiple-choice section is 50% of the score; the free-response section is the other 50%.

AP Chemistry marks vs. rank

Score rangeScoreWhat it means
5Extremely well qualifiedOften earns credit at selective universities
4Very well qualifiedCommonly earns credit
3QualifiedEarns credit at many universities

Scores at a glance

Section I50%

Indicative marks: Multiple choice

Section II50%

Indicative marks: Free response

Format follows College Board's AP Chemistry course and exam description. Confirm on apcentral.collegeboard.org.

How AP scores are used

Many universities award credit or advanced placement for scores of 3, 4 or 5; policies vary by university.

UseWhereNotesTypical use
College credit / placementUSA, Canada and many other countriesScore of 3–5University-specific
AdmissionsGlobalEvidence of advanced coursework—

A representative set of institutes that admit through AP Chemistry. Many more universitys participate in the counselling process.

AP Chemistry important dates

The typical AP Chemistry timeline, from notification to counselling. Dates are tentative until the official notification is released.

  1. Registration

    Usually by mid-November through your school or an authorised centre

  2. Exams

    First two weeks of May

  3. Scores

    Early July

AP Chemistry — frequently asked questions

Quick, reliable answers to the questions AP Chemistry aspirants ask most.

Is a calculator allowed on AP Chemistry?

Yes, a scientific or graphing calculator is allowed throughout the exam.

Start your AP Chemistry preparation today

Take your first full-length mock free, see your predicted rank, and let the analysis show you exactly what to fix next.

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Devaseelan

Devaseelan

Cleared NEET