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JEE Main 2020 Chemistry Previous Year Questions with Solutions

150+ Chemistry questions from all 6 JEE Main 2020 shifts — about 25 Chemistry questions per paper — each with the correct answer (answer key) and a step-by-step solution. Browse shift-wise below and read them free online, or practise Chemistry chapter-wise / syllabus-wise with a free account.

JEE Main 2020 shifts — Chemistry

Most-tested Chemistry chapters in JEE Main 20208 chapters

ChapterQuestions per paper (2020)
Coordination Compounds1.9–2.1
Chemical Bonding and Molecular Structure1.1–1.2
Biomolecules1.1–1.2
Equilibrium0.9–1.1
Chemical Kinetics0.9–1.1
Solutions~1
p-Block Elements~1
Hydrocarbons~1

Counted from the JEE Main 2016–2026 papers and shown as ranges (±5%) — strong indicators for what to revise first in Chemistry, not guarantees about a future paper. Chapter-by-chapter weightage across every year is on the most important chapters tool.

Frequently Asked Questions

How many JEE Main 2020 Chemistry previous year questions are here?

150+ JEE Main 2020 Chemistry previous-year questions, gathered from every shift that year — each with the correct answer (answer key) and a step-by-step solution.

Are the Chemistry PYQs available shift-wise and chapter-wise?

Here they are organised shift by shift. For chapter-wise and syllabus-wise Chemistry practice across JEEnify's question bank, use the syllabus practice with a free account.

Are answers and solutions provided for JEE Main 2020 Chemistry PYQs?

Yes — every question includes the correct answer (answer key) and a step-by-step solution, free to read online. You can also attempt any shift as a timed mock test.

Which Chemistry chapters carried the most marks in JEE Main 2020?

In JEE Main 2020, the Chemistry chapters that appeared most often were Coordination Compounds, Chemical Bonding and Molecular Structure, Biomolecules, Equilibrium, Chemical Kinetics — together the bulk of the 150 Chemistry questions asked that year, across 6 shifts. Figures are counted from the actual 2020 papers and shown as ranges, not predictions.

See also: most important chapters (PYQ weightage)PYQ trendsall free tools.