Chemical Engineering Practice Test (FE-Style)
Tests chemical engineering fundamentals in the style of the FE Chemical exam — mass and energy balances and thermodynamics, heat and mass transfer, reaction engineering, and process design, control and safety. Pass to earn Chemical Engineering Fundamentals SOA-CHEN.
- Advanced difficulty.Assumes years in the role or deep specialist knowledge.
- 20 scenario questions
- 20 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Chemical Engineering Practice Test (FE-Style)?
The Chemical Engineering Practice Test (FE-Style) is a free 20-minute skill test from Science of Apps. It tests chemical engineering fundamentals in the style of the FE Chemical exam — mass and energy balances and thermodynamics, heat and mass transfer, reaction engineering, and process design, control and safety. Score 70% or more on its 20 questions to earn a verifiable Chemical Engineering Fundamentals certificate (SOA-CHEN). Every question is based on published standards and research — including FE exam specifications (NCEES), Chemistry 2e (OpenStax (Rice University)), Center for Chemical Process Safety (AIChE) — and each answer is explained with its source.
Built for your job title
Chemical engineering student, Graduate engineer preparing for the FE exam, Process engineer, Production engineer and Process safety engineer — and anyone who wants quick, verifiable proof of Chemical Engineering skills for a CV or LinkedIn.
- Chemical engineering student
- Graduate engineer preparing for the FE exam
- Process engineer
- Production engineer
- Process safety engineer
What the test covers
Four skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Material and Energy Balances and Thermodynamics
25%- Mass balances
- Energy balances
- Phase equilibrium and thermodynamics
- 02
Heat and Mass Transfer
25%- Heat exchangers
- Separations
- Transport properties
- 03
Chemical Reaction Engineering
25%- Kinetics
- Reactor design
- Selectivity and catalysis
- 04
Process Design, Control and Safety
25%- Process control
- Process safety
- Process economics
Independent skills test. Science of Apps is not affiliated with, endorsed by or sponsored by NCEES. Product and exam names are trademarks of their owners. Passing earns a Science of Apps certificate, not a certification issued by NCEES.
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- FE exam specificationsNCEES27 questions
- Chemistry 2eOpenStax (Rice University)6 questions
- Center for Chemical Process SafetyAIChE6 questions
- ISA automation standardsInternational Society of Automation1 question
Try a sample question
Two streams are mixed: 100 kg/h at 20% salt and 100 kg/h at 40% salt. The outlet salt mass fraction is
- 30%
- 20%
- 40%
- 60%
Show the answer
A. 30% — (20 + 40) kg/h of salt in 200 kg/h. The real test has 20 questions like this.
How the test works
20 minutes, 20 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 20-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Chemical Engineering Fundamentals
Science of Apps
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Electrical Engineering Practice Test (FE-Style)
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Frequently asked questions
What is the Chemical Engineering Practice Test (FE-Style)?
The Chemical Engineering Practice Test (FE-Style) is a free 20-minute skill test from Science of Apps. It tests chemical engineering fundamentals in the style of the FE Chemical exam — mass and energy balances and thermodynamics, heat and mass transfer, reaction engineering, and process design, control and safety. Score 70% or more on its 20 questions to earn a verifiable Chemical Engineering Fundamentals certificate (SOA-CHEN). Every question is based on published standards and research — including FE exam specifications (NCEES), Chemistry 2e (OpenStax (Rice University)), Center for Chemical Process Safety (AIChE) — and each answer is explained with its source.
How do I take the Chemical Engineering Practice Test (FE-Style) for free?
Read the four skill areas on this page, then take the 20-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Chemical Engineering Fundamentals certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Chemical Engineering Practice Test (FE-Style) questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: FE exam specifications (NCEES); Chemistry 2e (OpenStax (Rice University)); Center for Chemical Process Safety (AIChE); ISA automation standards (International Society of Automation). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Chemical Engineering Practice Test (FE-Style) cover?
Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Material and Energy Balances and Thermodynamics (Mass balances, Energy balances and Phase equilibrium and thermodynamics); Heat and Mass Transfer (Heat exchangers, Separations and Transport properties); Chemical Reaction Engineering (Kinetics, Reactor design and Selectivity and catalysis); Process Design, Control and Safety (Process control, Process safety and Process economics). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Chemical Engineering Practice Test (FE-Style)?
Chemical engineering student, Graduate engineer preparing for the FE exam, Process engineer, Production engineer and Process safety engineer. It suits anyone who wants a quick, verifiable way to show Chemical Engineering skills, from students and career switchers to experienced professionals.
Can I take the Chemical Engineering Practice Test (FE-Style) from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Chemical Engineering Practice Test (FE-Style)?
20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.
How hard is the Chemical Engineering Practice Test (FE-Style)?
We rate it Advanced: assumes years in the role or deep specialist knowledge. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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