GATE CH previous year question papers
Chemical Engineering · 2007–2026
Free year-wise GATE CH question papers with official answer keys. Solve them under a 3-hour timer to simulate the real exam, then review every wrong answer against the GATE CH syllabus.
Free PDF downloads
We link to established, free sources rather than re-hosting copies. Papers open in a new tab; always cross-check against the official GATE organising institute's site for the current cycle.
How to use these papers
- Finish a subject first, then solve that subject's questions across all years.
- Once the syllabus is covered, switch to full papers under a strict 3-hour timer.
- Log every mistake by cause: concept gap, silly error, or time pressure.
- Re-solve the papers you scored worst on after two weeks.
Frequently asked questions
How many sections does the GATE CH syllabus have, and how are marks split?
The official syllabus is organised into nine core sections plus Engineering Mathematics. Roughly 72% of the paper is core chemical engineering subject marks, 13% is Engineering Mathematics, and the remaining 15% is General Aptitude.
Which GATE CH topics are worth prioritising if time is short?
Chemical Reaction Engineering, Fluid Mechanics and Mass Transfer have consistently carried the heaviest marks across recent years, so a candidate revising under time pressure should protect these three before spreading effort across Heat Transfer, Instrumentation or Chemical Technology.
Is Chemical Technology worth studying in depth for GATE CH?
Chemical Technology contributes a small, fairly fixed share of marks and questions tend to be direct and fact-based, so it rewards a focused final revision pass rather than the deep problem-solving practice needed for core unit operations.
Do numerical-heavy sections like Fluid Mechanics and Mass Transfer need a different prep approach than Chemical Technology?
Yes. Fluid Mechanics, Mass Transfer, Heat Transfer and Reaction Engineering are calculation-driven and improve mainly through solving problems repeatedly, while Chemical Technology and parts of Instrumentation are descriptive and respond better to structured reading and revision notes.