Chemistry plays a crucial role in the General Science section of the Railway RRB NTPC 2026 Exam. Every year, a good number of questions are asked from basic Chemistry concepts that test your understanding of everyday science rather than deep theoretical knowledge. Topics like elements & compounds, acids and bases, metals and non-metals, chemical reactions, states of matter, and daily life chemistry are frequently repeated in the exam.
Download Top RRB NTPC Chemistry Questions PDF
A free PDF comprising the top RRB NTPC chemistry questions has been provided below based on NTPC Chemistry Previous Question Papers. Download it and understand the question type and level of difficulty:
Practice the Most Repeated Questions for RRB NTPC Chemistry
Given below are some of the most repeated chemistry questions for the RRB NTPC Exam. Attempt them live and check your score as per the real exam marking scheme.
Q1. Which of the following is an example of a strong acid?
Q2. The atomic number of an element represents the number of:
Q3. Which gas is liberated when zinc reacts with dilute hydrochloric acid?
Q4. The pH value of a neutral solution at 25°C is:
Q5. Which of the following is an exothermic process?
Q6. The valency of aluminium is:
Q7. Which of the following is a noble gas?
Q8. The chemical formula of quick lime is:
Q9. Rusting of iron requires:
Q10. Which of the following is a homogeneous mixture?
Q11. The molecular formula of ozone is:
Q12. The number of electrons in sodium ion (Na⁺) is:
Q13. Which type of bond is formed by sharing of electrons?
Q14. Which indicator turns pink in basic solution?
Q15. The gas used in the Haber process is:
Quiz Summary
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Q16. Which of the following is an alkali metal?
Q17. The SI unit of molarity is:
Q18. Which of the following compounds contains an ester functional group?
Q19. The process of coating iron with zinc is called:
Q20. Avogadro number is:
Q21. Which of the following is a reducing agent?
Q22. The electron configuration of chlorine (Z = 17) is:
Q23. Which of the following metals reacts with cold water vigorously?
Q24. The process of separation of crude oil is called:
Q25. Which of the following is an example of a polymer?
Q26. Which of the following particles has no charge?
Q27. The oxidation state of sulphur in H₂SO₄ is:
Q28. Which of the following metals is extracted by electrolysis?
Q29. The main constituent of natural gas is:
Q30. Which law states that mass can neither be created nor destroyed?
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What is the RRB NTPC Exam Pattern?
The RRB NTPC Exam Pattern for CBT 1 is divided into sections like Mathematics, General Intelligence and Reasoning and General Awareness. The details are tabulated below:
- Duration: 90 minutes
- +1 for every correct answer
- -1/3 for every wrong answer
- Total marks: 100
| Section | Question | Marks |
| Mathematics | 30 | 30 |
| General Intelligence and Reasoning | 30 | 30 |
| General Awareness | 40 | 40 |
| Total | 100 | 100 |
RRB NTPC Exam Pattern for CBT 2
The CBT 2 exam pattern consists of 120 questions in total. Each question carries one mark. Negative marking of -1/3 mark also applies for every incorrect answer. Check out the details given below:
| Section | Questions | Marks |
| Mathematics | 35 | 35 |
| General Intelligence and Reasoning | 35 | 35 |
| General Awareness | 50 | 50 |
| Total | 120 | 120 |
FAQs
In the RRB NTPC exam, Chemistry questions are asked under the General Science section, usually 5–8 questions, depending on the paper level.
Important topics include Acids, Bases & Salts, Metals & Non-metals, Chemical Reactions, Elements & Compounds, States of Matter, and Chemistry in Everyday Life. These topics are frequently repeated in the exam.
Yes, NCERT Chemistry books (Class 6–10) are more than sufficient for RRB NTPC. Most questions are directly based on NCERT-level concepts and definitions.
No, Chemistry in RRB NTPC is easy and scoring, even for non-science students. Questions are straightforward and related to daily life examples, making them easy to understand with regular practice.
Focus on basic concepts, revise important formulas and reactions, practice previous year questions, and attempt mock tests regularly. Consistent revision can help you score full marks in this section.
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