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CBSE Class 12 Chemistry Exam 2020 - Board Paper Analysis


CBSE Class 12 Chemistry Exam 2020 - Board Paper Analysis

The Chemistry paper was easy and conceptual. Check the CBSE Class 12 Board Exam 2020 - Chemistry Paper Analysis by our subject matter experts and students.

By Topperlearning Expert 07th Mar, 2020 10:54 pm

CBSE conducted the Class 12 Chemistry paper today. The paper seemed moderate for average students as there were some simple and direct questions, where text book knowledge seemed to be the order of the day. However, for students who studied well, the paper was scoring.

So, let’s go through the CBSE Class 12 Chemistry question paper for 2020.

Question Paper Pattern

Unlike in 2019, this year’s exam was easy. Except for long answer questions from organic chemistry.  The entire paper had questions straight out of the NCERT textbook, and all questions asked were from the syllabus. Sadly for students, questions from past year papers were few or few questions were repeated from last year papers. The Section ‘C’ part was quite difficult. Section ‘A’ was easy to score. The numerical from Physical Chemistry were direct.

Distribution of marks

The Chemistry paper consisted of four sections, namely A,B,C and D which contained questions totalling up to 70 marks.The duration of the paper was 3 hours. Let’s see each section in some more detail.

Section A– It had 20 questions of one mark each. In this section, question number 1 to 5 were short answer type questions from passage. This passage was easier then passage of sample paper provided by CBSE. Question number 6 to 10 were one word answer type questions, question number 11 to 15 were multiple choice questions and question number 16 to 20 were Assertion-Reason type questions. Level of questions in this section was easy.

Section B-Question number 21 to 27 were short answer questions of 2 marks each. Level of questions in this section was easy.

Section C–Question number 28 to 34 were long answer type questions of 3 marks each. Level of questions in this section was moderate. It had questions from Solution, Haloalkanes, Biomolecules Electrochemistry and Surface chemistry.   

Section D-Question number 35 to 37 were also long answer type questions of 5 marks each. Level of questions in this section was moderate. Questions were from d and f block elements Aldehyde and Ketones.

General Observations

Listed below are some observations from every aspect of paper with respect to typology of question, distribution of marks and difficulty level.

  • The CBSE Class 12 Chemistry paper was easy and NCERT based.
  • Short questions were easy and scoring.
  • Numerical which fetch student’s marks and prove to be an all-time life saver were a bit easy and needed direct formulae to be answered.
  • Section D required detailed understanding of concepts.

Chemistry is an important subject which is also crucial in both JEE Main 2020 and NEET 2020 exams. Besides a thorough understanding of concepts from the CBSE Chemistry syllabus, students who had gone through the Sample Papers, Past Years' Papers and Most Important Questions provided by TopperLearning would feel rewarded as most of the questions were covered in these resources and thus answering them would have been an easy feat.

Watch this video for a detailed analysis of the CBSE 12 Chemistry paper 2020 by a TopperLearning academic expert.



Team Topper Learning wishes you all the very best for your upcoming CBSE Class 12 examinations.

Important topics for your reference:

6 Useful subject-specific tips for CBSE Class 12 Science exam preparation - 2020

Top 10 Questions in Biology CBSE Class 12 Exam - 2020

Exam Pattern and Marking Scheme for CBSE Class 12 - 2020

If you have any queries related to the CBSE Class 12 Science paper pattern you can post your questions in the ‘Ask the Expert’ section at

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