GATE 2020 Chemical Engineering (CH) Answer Key, Question Paper & Analysis

Updated On - July 12th 2019By - Lokesh Gupta

GATE Answer Keys 2020 (CH) will be announced at GOAPS portal by IIT Delhi. Visit the official website ( in order to download the question paper and answer key

  • GATE 2020 will be conducted on February 10 in a single session.
  • The exam was conducted in CBT across 199 cities across India and 6 international centers.
  • The coordinating body will release GATE 2020 Result by March 16 at The results will be released in the form of scores. 
  • The cut off for GATE is expected to range in between 35 – 38 marks.
  • Candidates qualifying the exam will have a choice to go for a Masters degree or can apply to the top most PSUs offering Engineer Trainee posts. Read about PSU Recruitment through GATE

How to Check GATE 2020 CH Answer Key?

  1. Visit the official website of GATE i.e.
  2. Enter the required credentials i.e. Enrollment ID, Registration Number and Date of Birth
  3. GATE CH Answer key will be displayed on your screen.
  4. Check and download it for future reference.

How to challenge GATE Answer Key?

  1. Log into GATE Online Application Processing System.
  2. Go through the guidelines given carefully.
  3. Agree by checking on the declaration. 
  4. Click on the “Contest Answer Key" tab to be able to pay and mail objections related to the answer.
  5. INR 500 has to be paid via online portal provided for every question. NRI candidates of GATE will have to pay the US $10 per question being challenged.
  6. It is important to use the correct question number given in the question paper to challenge.
  7. Attach a justified proof for challenging the answer key.

GATE CH Paper Analysis

  • GATE chemical Engineering Exam was divided into 2 sections- General Aptitude and Technical Questions.
  • 15 Questions were asked from the General Aptitude section and 85 questions were from Technical Section.
  • Technical section further has 1 mark and 2 marks questions.
  • You can find the number of questions asked from each topic in the table: -
Name of the TopicNumber of 1 Mark QuestionsNumber of 2 Mark Questions
Engineering Mathematics25
Chemical Reaction Engineering34
Heat Transfer43
Mass Transfer04
Process Calculation12
Mechanical Operation12
Plant Design and Economics31
Fluid Mechanics24
Instrumentation and Process Control42
Chemical Technology30
Chemical Engineering Thermodynamics23

GATE 2020 Expected Cut off 

GATE Cut off is the minimum score which must be scored by candidate in order to reserve a seat. The cut off varies for different institutes, streams and the category of candidate. Expected GATE Cut offs (stream-wise) for the year 2020 is provided below (on the basis of previous year cut offs)-

CategoryMinimum Qualifying Cut Off

GATE Cut off for CH 2017 for Various Institutes 

Name of the InstituteGeneralOBCSCSTPWDGen PWDOBC PwD
IIT BHU470431324208--
IIT Madras582573384242199
IIT Delhi Direct Admission670630535445535
IIT Delhi -Interview and Shortlisting540450375300375

Check GATE Participating Colleges with Fees

GATE CH Answer key and Question Paper

YearChemical Engineering
2019Question PaperAnswer Key
2018Question PaperAnswer Key



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