2025
FREE HESI A2 Chemistry Practice Test
Get ready for your 2025 HESI A2 test using the same kind of questions you’ll be answering when you take the real written examination.
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- Based on 2025 Health Education Systems Incorporated
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- Test Details
- 20 questions
- Unlimited
- Multiple Choice
Free HESI Chemistry Practice Test
The purpose of this test is to assess your strengths and weaknesses with the HESI Admission Assessment (A2) Exam. Use this free HESI A2 Chemistry practice test to help you prepare for your nursing entrance exam. After you answer each question you will get a detailed answer explanation to help you understand the question better.
HESI A2 Chemistry Practice Questions
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More HESI A2 Practice Tests
HESI A2 practice tests are used to prepare for the Health Education Systems, Inc. Admission Assessment Exam and consist of questions similar to those on the actual exam.
HESI Practice Test
This HESI A2 practice test covers subjects that are important for someone to know if they want to become a nurse or work in healthcare. This includes subjects like math, reading, science, vocabulary, grammar, and more.
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HESI Practice Test 2
This HESI A2 practice test covers subjects that are important for someone to know if they want to become a nurse or work in healthcare. This includes subjects like math, reading, science, vocabulary, grammar, and more.
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HESI Practice Test 3
This HESI A2 practice test covers subjects that are important for someone to know if they want to become a nurse or work in healthcare. This includes subjects like math, reading, science, vocabulary, grammar, and more.
- 60
- Questions
Mathematics
This test covers basic math skills and healthcare-related applications, including arithmetic, algebra, geometry, and conversions.
- 20
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Mathematics 2
This test covers basic math skills and healthcare-related applications, including arithmetic, algebra, geometry, and conversions.
- 50
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Mathematics 3
This test covers basic math skills and healthcare-related applications, including arithmetic, algebra, geometry, and conversions.
- 50
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Mathematics 4
This test covers basic math skills and healthcare-related applications, including arithmetic, algebra, geometry, and conversions.
- 50
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Mathematics 5
This test covers basic math skills and healthcare-related applications, including arithmetic, algebra, geometry, and conversions.
- 40
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Mathematics 6
This test covers basic math skills and healthcare-related applications, including arithmetic, algebra, geometry, and conversions.
- 40
- Questions
Reading Comprehension
This test covers comprehension, interpretation and application of information in a variety of texts in sciences, social sciences, humanities, and health sciences.
- 20
- Questions
Reading Comprehension 2
This test covers comprehension, interpretation and application of information in a variety of texts in sciences, social sciences, humanities, and health sciences.
- 50
- Questions
Reading Comprehension 3
This test covers comprehension, interpretation and application of information in a variety of texts in sciences, social sciences, humanities, and health sciences.
- 40
- Questions
Reading Comprehension 4
This test covers comprehension, interpretation and application of information in a variety of texts in sciences, social sciences, humanities, and health sciences.
- 40
- Questions
Vocabulary
This test covers your knowledge and understanding of word meanings in context across disciplines including sciences, social sciences, humanities, and health sciences.
- 20
- Questions
Vocabulary 2
This test covers your knowledge and understanding of word meanings in context across disciplines including sciences, social sciences, humanities, and health sciences
- 50
- Questions
Vocabulary 3
This test covers your knowledge and understanding of word meanings in context across disciplines including sciences, social sciences, humanities, and health sciences.
- 40
- Questions
Vocabulary 4
This test covers your knowledge and understanding of word meanings in context across disciplines including sciences, social sciences, humanities, and health sciences.
- 40
- Questions
Grammar 2
This test covers written English skills, including grammar, vocabulary, sentence structure, and more.
- 50
- Questions
Grammar 3
This test covers written English skills, including grammar, vocabulary, sentence structure, and more.
- 40
- Questions
Grammar 4
This test covers written English skills, including grammar, vocabulary, sentence structure, and more.
- 40
- Questions
Chemistry
This test covers basic chemical concepts, reactions, thermochemistry, solutions, organic & biochemistry.
- 20
- Questions
Chemistry 2
This test covers basic chemical concepts, reactions, thermochemistry, solutions, organic & biochemistry.
- 35
- Questions
Chemistry 3
This test covers basic chemical concepts, reactions, thermochemistry, solutions, organic & biochemistry.
- 35
- Questions
Anatomy and Physiology
This test covers human body systems, tissues, functions, and diseases.
- 20
- Questions
Anatomy and Physiology 2
This test covers human body systems, tissues, functions, and diseases.
- 35
- Questions
Anatomy and Physiology 3
This test covers human body systems, tissues, functions, and diseases.
- 35
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Foundational Concepts Covered in Our HESI Chemistry Practice Exam
Key concepts you’ll need to understand to be successful in the Chemistry portion of the HESI exam include:
- Units of Measurement: Understanding volume, mass, and length conversions.
- States of Matter: Knowledge of solids, liquids, gases, and plasma.
- Atoms: Comprehension of atomic structure, elements, and isotopes.
- Acids and Bases: Using the pH scale to determine acidity and basicity.
- Chemical Equations: Balancing chemical equations correctly.
- Chemical Reactions: Understanding reaction rates, activation energy, and catalysts.
After each question in our chemistry practice exam is answered, you’ll receive a follow-up explanation that will help you understand the question and the concept to help you feel fully prepared for the actual exam.
HESI Study Tips for Chemistry
- Allow ample time for exam preparation, ideally spanning several weeks instead of just days.
- Develop a consistent study routine with clear goals and dedicated study time each day.
- Incorporate practice exams and study guides into your study sessions.
- Invest in high-quality resources to ensure comprehensive preparation.
- Plan study sessions with peers for collaborative learning and support.
HESI Chemistry Exam FAQs
How is the Chemistry portion of the HESI A2 exam scored?
Like all sections of the exam, the chemistry portion is scored separately on a percentage scale from 0% to 100%.
What type of knowledge may be tested in the Chemistry HESI exam?
The Chemistry HESI exam tests knowledge of units of measurement, states of matter, atomic structure, acids and bases, chemical equations, and chemical reactions.
Is it necessary to invest in study materials for the chemistry portion of the exam?
It’s not required, but many test takers find that comprehensive practice tests and flashcards help them fully prepare and have a better chance at passing the exam on their first attempt.