GATE Syllabus

GATE 2025 Syllabus – CH: Chemical Engineering

GATE 2025 syllabus for Chemical Engineering (CH) gives you details of the latest GATE syllabus for the subject released by the official gate organizing institute IIT Roorkee 2025. We also created an easy to use ad-free mobile app for the GATE syllabus, previous year papers with keys, gate calculator, virtual calculator, and more. Download iStudy App for all GATE preparation needs.

You will also find IIT GATE college predictor, NIT GATE college predictor, GATE score calculator, and GATE Exam Info & Stats useful during GATE preparation. Without further due let’s jump into the GATE syllabus for Chemical Engineering.

GATE 2025 syllabus – Chemical Engineering (CH)

Section 1: Engineering Mathematics

Linear Algebra:
Matrix algebra, Systems of linear equations, Eigen values and eigenvectors.

Functions of single variable, Limit, continuity and differentiability, Taylor series, Mean value theorems, Evaluation of definite and improper integrals, Partial derivatives, Total derivative, Maxima and minima, Gradient, Divergence and Curl, Vector identities, Directional derivatives, Line, Surface and Volume integrals, Stokes, Gauss and Green’s theorems.

Differential equations:
First order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients, Cauchy’s and Euler’s equations, Initial and boundary value problems, Laplace transforms, Solutions of one dimensional heat and wave equations and Laplace equation.

Complex variables:
Complex number, polar form of complex number, triangle inequality.

Probability and Statistics:
Definitions of probability and sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Random variables, Poisson, Normal and Binomial distributions, Linear regression analysis.

Numerical Methods:
Numerical solutions of linear and non-linear algebraic equations. Integration by trapezoidal and Simpson’s rule. Single and multi-step methods for numerical solution of differential equations.

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Section 2: Process Calculations and Thermodynamics

Steady and unsteady state mass and energy balances including multiphase, multi-component, reacting and nonreacting systems. Use of tie components; recycle, bypass and purge calculations; Gibb’s phase rule and degree of freedom analysis. First and Second laws of thermodynamics. Applications of first law to close and open systems. Second law and Entropy. Thermodynamic properties of pure substances; Equation of State and residual properties, properties of mixtures; partial molar properties, fugacity, excess properties and activity coefficients; phase equilibria; predicting VLE of systems; chemical reaction equilibrium.

Section 3: Fluid Mechanics and Mechanical Operations

Fluid statics, surface tension, Newtonian and non-Newtonian fluids, transport properties, shell-balances including differential form of Bernoulli equation and energy balance, equation of continuity, equation of motion, equation of mechanical energy, Macroscopic friction factors, dimensional analysis and similitude, flow through pipeline systems, velocity profiles, flow meters, pumps and compressors, elementary boundary layer theory, flow past immersed bodies including packed and fluidized beds, Turbulent flow; fluctuating velocity, universal velocity profile and pressure drop.Particle size and shape, particle size distribution, size reduction and classification of solid particles; free and hindered settling; centrifuge and cyclones; thickening and classification, filtration, agitation and mixing; conveying of solids.

Section 4: Heat Transfer

Equation of energy, steady and unsteady heat conduction, convection and radiation, thermal boundary layer and heat transfer coefficients, boiling, condensation and evaporation; types of heat exchangers and evaporators and their process calculations; design of double pipe, shell and tube heat exchangers, and single and multiple effect evaporators.

Section 5: Mass Transfer

Fick’s laws, molecular diffusion in fluids, mass transfer coefficients, film, penetration and surface renewal theories; momentum, heat and mass transfer analogies; stage-wise and continuous contacting and stage efficiencies; HTU & NTU concepts; design and operation of equipment for distillation, absorption, leaching, liquid-liquid extraction, drying, humidification, dehumidification and adsorption, membrane separations(micro-filtration, ultra-filtration, nano-filtration and reverse osmosis).

Section 6: Chemical Reaction Engineering

Theories of reaction rates; kinetics of homogeneous reactions, interpretation of kinetic data, single and multiple reactions in ideal reactors, kinetics of enzyme reactions (Michaelis-Menten and Monod models), non-ideal reactors; residence time distribution, single parameter model; non-isothermal reactors; kinetics of heterogeneous catalytic reactions; diffusion effects in catalysis; rate and performance equations for catalyst deactivation

Section 7: Instrumentation and Process Control

Measurement of process variables; sensors and transducers; P&ID equipment symbols; process modeling and linearization, transfer functions and dynamic responses of various systems, systems with inverse response, process reaction curve, controller modes (P, PI, and PID); control valves; transducer dynamics; analysis of closed loop systems including stability, frequency response, controller tuning, cascade and feed forward control.

Section 8: Plant Design and Economics

Principles of process economics and cost estimation including depreciation and total annualized cost, cost indices, rate of return, payback period, discounted cash flow, optimization in process design and sizing of chemical engineering equipment’s such as heat exchangers and multistage contactors.

Section 9: Chemical Technology

Inorganic chemical industries (sulfuric acid, phosphoric acid, chlor-alkali industry), fertilizers (Ammonia, Urea, SSP and TSP); natural products industries (Pulp and Paper, Sugar, Oil, and Fats); petroleum refining and petrochemicals; polymerization industries (polyethylene, polypropylene, PVC and polyester synthetic fibers).

If you are preparing for GATE, download iStudy Mobile App for all GATE Syllabus, Previous Question Papers and Keys, preparation guide, Exam updates, Gate Virtual calculator, Gate Score calculator, and IITs & NITs cutoffs. It is a lightweight, easy to use, no images, and no ads platform to make students’ lives easier.
Get it on Google Play.

GENERAL APTITUDE (Common for all branches)

Verbal Aptitude

Basic English Grammar
Tenses, articles, adjectives, prepositions, conjunctions, verb-noun agreement, and other parts of speech

Basic Vocabulary
Words, idioms, and phrases in context

Reading and Comprehension

Narrative Sequencing

Quantitative Aptitude

Data Interpretation
Data graphs (bar graphs, pie charts, and other graphs representing data), 2- and 3-dimensional plots, maps, and tables

Numerical Computation and Estimation
Ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series

Mensuration and Geometry

Elementary Statistics and Probability

Analytical Aptitude

Deduction and Induction


Numerical Relations and Reasoning

Spatial Aptitude

Transformation of Shapes
Translation, rotation, scaling, mirroring, assembling, and grouping

Paper folding, cutting, and patterns in 2 and 3 dimensions

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  1. opeyemi

    pls sir,i am a 1st year student in chemical eng i jst gain my admision, i want u to recomend me text dat wil b use in d
    is 2012 sectio
    n and enlighten me on hw to go on it

  2. Pranjala

    please suggest the best book for different segments for cracking gate 2012 in chemical engineering to get into IOCL

  3. a.saroja

    is it eligible to dp chem eng for org chem students

  4. dhiraj nimje

    sir , i am 1st year ce student in lit nagpur…..i want to do my m tech from an reputed institute….please suggest me the way to study….even if any coachin or book which u suggest will be a favour to me…. please reply

  5. prasanth kumar

    tel me concisely ,wt i should to do for self prepration for gate..means suggest me boook whuch help me compleetly at home

  6. prasanth kumar

    sir plz send me, gate previous papers and solutions…. it may great helpful to me..

  7. kirti

    plz suggest best gaidance center for gate in nagpur and best book………..

  8. koda ashok

    plzzzzzz…. tell me best book to prepair for the gate2012

  9. bhageerathi

    will u pls suggest me a few tips on self preparation for chemical engineering…


    thank u sir……. can u pleaze suggest a coaching institue which provides correspondance course to chemical engineerin subject……

  11. Krunal patel

    Can u please suggest the best book to follow for GATE 2011,for chemical engg. branch???? with best GATE Coaching centers in India

  12. Krunal patel

    Hellow…..Can ypu please suggest,when i complite M.Sc in applied Industrial chemistry,then i join or not join for M.Tech chemical engeeneering program, for GATE chemical engeeneering program in any IIT institutes……….please reply ,sir

  13. swapna

    can u pls suggest any best book for gate 2011 for chemical engg?

  14. abu

    tel me concisely ,wt i should to do for self prepration for gate..means suggest me boook whuch help me compleetly at home

  15. Manish kumar tiwary

    can u please suggest the best book to follow for gate 2011,for chemical engg. branch????

  16. Bhanumathi

    Can you please suggest me the best coaching class for chemical engg GATE in bangalore..
    Thank you

    1. Zahid

      Bhanumathi: Please visit GATE Coaching centers in India that i made based on student survey.

  17. dharmvir kumar

    very useful

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