150+ Chemistry Chapter-wise PYQs with Answers | Chemistry MCQs for UPSC, SSC, Railway Exams

chemistry mcqs

Chemistry Chapter-wise PYQs: Chemistry is a high-scoring subject in most competitive examinations, including SSC, Railway, UPSC, State PSCs, Defence exams and Engineering entrance tests. One of the most effective ways to master this subject is by practicing Chemistry Previous Year Questions ( PYQs ) chapter-wise, especially in MCQ format. PYQs not only help students understand the exam pattern but also highlight repeated and high-weightage chapters.

This article explains the importance of Chemistry MCQs the role of chapter-wise PYQs, and provides a complete list of Chemistry chapters commonly asked in competitive exams.


Chemistry Chapter-wise PYQs List for Competitive Exams

Below is a complete and exam-oriented list of Chemistry chapters, divided into Physical, Organic, and Inorganic Chemistry, based on PYQs from SSC, Railway, UPSC, and other exams.

1. Atomic Structure, Periodic Classification and Bonding: Click Here For Quiz

2. Physical and Chemical Changes: Click Here For Quiz

3. Acids, Bases and Salts: Click Here For Quiz

4. Metal, Non-metal, and Metallurgy: Click Here For Quiz

5. Organic Chemistry: Click Here For Quiz


Related Practice Resources


Chemistry Questions and Answers (MCQs)

Q1. What is the SI unit of energy?
A) Joule
B) Calorie
C) Watt
D) Newton

Answer: A) Joule
Explanation: Joule is the SI unit of energy in physics and chemistry.


Q2. pH value of pure water is:
A) 5
B) 7
C) 9
D) 14

Answer: B) 7
Explanation: Pure water is neutral, so pH = 7.


Q3. Methane belongs to which group?
A) Alkene
B) Alkyne
C) Alkane
D) Alcohol

Answer: C) Alkane
Explanation: Methane is a saturated hydrocarbon (alkane).


Q4. Functional group of alcohol is:
A) -CHO
B) -COOH
C) -OH
D) -NH₂

Answer: C) -OH
Explanation: Alcohols contain hydroxyl (-OH) group.


Q5. Which element has atomic number 1?
A) Helium
B) Oxygen
C) Hydrogen
D) Nitrogen

Answer: C) Hydrogen
Explanation: Hydrogen is the first element in the periodic table.


Q6. Which gas is known as laughing gas?
A) NO₂
B) N₂O
C) CO₂
D) SO₂

Answer: B) N₂O
Explanation: Nitrous oxide is called laughing gas.


Importance of Chemistry PYQs for Competitive Exams in India

Solving Chemistry PYQs is essential for candidates aiming to crack exams like SSC CGL, SSC CHSL, RRB NTPC, Group D, UPSC Prelims, CDS, AFCAT, and state-level exams.PYQs offer a clear insight into the difficulty level, question trends, and frequently asked concepts.

Also Read: General Awareness Chapter-Wise Quiz:- Click Here

Key Benefits of Chemistry Chapter-wise PYQs

  • Identify repeated questions and important chapters
  • Improve speed and accuracy in MCQ-based exams
  • Strengthen conceptual clarity
  • Help in smart revision before exams
  • Boost confidence by practicing real exam questions

Importance of Chemistry MCQs in Competitive Exams

Most competitive exams follow an objective MCQ pattern, making Chemistry MCQs a crucial part of preparation. Chemistry MCQs test both theoretical understanding and application-based knowledge.

Why Chemistry MCQs Matter

  • Faster to solve compared to numerical subjects

  • Concept-based questions are often direct and scoring

  • Helps in time management during exams

  • Improves elimination techniques

  • Frequently contributes 10–25% of General Science marks


Why Practice Chemistry PYQs?

Practicing previous year questions helps you:

  • Identify important topics
  • Understand question patterns
  • Improve speed & accuracy
  • Boost confidence before exams

Practicing Chemistry Chapter-wise PYQs ensures candidates are exam-ready and familiar with the actual question format.

Preparing Chemistry through chapter-wise PYQs and MCQs is one of the smartest strategies for competitive exams. With consistent practice, candidates can easily master important Chemistry topics, improve accuracy, and secure maximum marks in General Science sections. Whether you are preparing for SSC, Railway, UPSC, or State exams, Chemistry PYQs remain a must-follow resource for success.


FAQs on Chemistry

1. What are Chemistry PYQs?

Chemistry PYQs are previous year questions asked in exams like SSC, UPSC, and Railway.

2. Are PYQs enough to crack exams?

PYQs help understand patterns, but should be combined with concept study.

3. Where can I download Chemistry PYQs PDF?

You can download the complete PDF from this page.

4. Which chapters are most important in Chemistry?

Organic Chemistry and Atomic Structure have the highest weightage.

5. How many PYQs should I practice daily?

Practice at least 20–30 questions daily for best results.