GATE CH Answer Key 2021 – Chemical Engineering Answer Key


The GATE CH Exam 2021 was conducted in one session only. The exam was held on 13th February 2021 in the morning session. The official answer key of the GATE CH (Chemical Engineering) has been released. The candidates can download the answer key from the official website of the exam.

Here, in this article candidates can check the complete information of GATE CH Answer Key 2021.

GATE CH Answer Key 2021

Get the latest news & updates about GATE Exam via SMS and e-mail, by entering your details below:

GATE 2021 Exam Dates

GATE 2021 Exam Dates are tabulated below:

GATE Exam Schedule

Also Check: GATE CH Cutoff

GATE CH 2020 Answer Key

The candidates can download the Answer Key and Question Paper of GATE 2021 from the link provided below:

GATE CH 2019 Answer Key

GATE CH 2018 Answer Key

How to Calculate Gate Score using the Answer Keys 2021?

  • MCQs carrying 1 mark each, 1/3 marks would be deducted as a penalty for marking the wrong answer.
  • For questions carrying 2 marks, 2/3 marks would be deducted for marking an incorrect answer
  • Count the marks gained in the correct answer and deduct the marks lost in incorrect answers due to negative marking
  • GATE Marks = Marks obtained for MCQs + Marks obtained for NAT questions
  • NAT Marks = Total marks (1 mark for each question) + Total marks (2 marks for each question)
  • MCQ Marks: Total marks (1 mark) + Total marks (2 marks)
  • Total marks (1 marks) = 1 x (number of correct answers) – 1/3 x (number of wrong answers)
  • Total marks (2 marks) = 2 x (number of correct answers )– 2/3 x( number of wrong answers)

Also Check: GATE Cutoff

Click here to View GATE IN Answer Key


Chemical Engineering is one of the toughest subjects among the subjects of engineering. It’s always regarded as the most difficult subject of engineering. The subject code is CH refers to chemical engineering.

This article gives you in-depth detail about the answer key of the GATE CH 2021 exam paper along with its analysis and previous years’ trends. Students must go through the previous years’ papers as it provides a fair idea about the gist of the exam. It helps to understand the pattern and the difficulty level too.

Hence, do not skip this part during your preparation.

Good luck!

Also Check: GATE Chemical Engineering Syllabus


Education is the passport to the future, for tomorrow belongs to those who prepare for it today.

Related Articles

One Comment

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button