Exam-Style Online Test | Class 11 Chemistry: Hydrogen
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Class 11 Chemistry — Chapter 9: Hydrogen Online Test

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Class 11 Chemistry: Hydrogen Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

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1 / 20

1. In the reaction , which element is oxidized and which element is reduced?

2 / 20

2. The reaction is an example of a:

3 / 20

3. In the reaction , the type of reaction is:

4 / 20

4. In cryogenic hydrogen storage, hydrogen is stored as a:

5 / 20

5. Heavy water (D₂O) is used in biological research because:

6 / 20

6. Which of the following is a characteristic property of covalent hydrides like methane (CH₄), ammonia (NH₃), and water (H₂O)?

7 / 20

7. Hydrogen peroxide can be used to bleach which of the following materials?

8 / 20

8. The primary purpose of the water-gas shift reaction in hydrogen production is to:

9 / 20

9. Which of the following equations represents the reaction between hydrogen and sulfur?

10 / 20

10. Which of the following hydrogen isotopes is radioactive?

11 / 20

11. In what way does hydrogen resemble halogens?

12 / 20

12. Tritium can be artificially produced by:

13 / 20

13. Hydrogen cannot be placed in any one group of the periodic table because:

14 / 20

14. Hydrogen is used in the hydrogenation of vegetable oils to produce:

15 / 20

15. How is hydrogen peroxide prepared in the laboratory?

16 / 20

16. Hydrogen peroxide is used in the food industry primarily as:

17 / 20

17. The bonding in ionic hydrides like NaH and CaH₂ is best described as:

18 / 20

18. Water is a polar molecule because:

19 / 20

19. In addition to nuclear reactors, heavy water (D₂O) is also used in:

20 / 20

20. The reaction is an example of a:

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Class 11 Chemistry: Hydrogen Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

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  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. Which of the following is a characteristic feature of a redox reaction?

2 / 30

2. Which of the following reactions shows the reducing property of hydrogen?

3 / 30

3. Hydrogen peroxide acts as an oxidizing agent because it can:

4 / 30

4. Which of the following is the most abundant isotope of hydrogen?

5 / 30

5. Heavy water (D₂O) is used in biological research because:

6 / 30

6. Titanium hydride (TiH₂) is an example of a:

7 / 30

7. Heavy water (D₂O) is commonly used in which type of nuclear reactor?

8 / 30

8. Which of the following laboratory methods is commonly used for preparing hydrogen gas?

9 / 30

9. Which of the following is a common industrial method for producing hydrogen?

10 / 30

10. Which of the following statements about tritium water () is correct?

11 / 30

11. The structure of hydrogen peroxide (H₂O₂) is best described as:

12 / 30

12. Hydrogen is placed separately in the periodic table because:

13 / 30

13. Which property of hydrogen is similar to that of alkali metals?

14 / 30

14. Which of the following materials is commonly used for the construction of high-pressure hydrogen storage tanks?

15 / 30

15. Water can form hydrogen bonds because it is a polar molecule. This means that:

16 / 30

16. Hydrogen cannot be placed in any one group of the periodic table because:

17 / 30

17. Heavy water differs from ordinary water because:

18 / 30

18. Hydrogen peroxide is used as a bleaching agent in the textile industry. What is the main reason for this?

19 / 30

19. Which of the following properties makes hydrogen distinct from all other elements?

20 / 30

20. Dihydrogen reacts with carbon monoxide in the presence of a catalyst to form methanol. This process is known as:

21 / 30

21. The primary use of interstitial hydrides, such as TiH₂, is:

22 / 30

22. The density of heavy water (D₂O) is approximately:

23 / 30

23. Water's role in maintaining temperature stability in organisms is due to its:

24 / 30

24. Protium forms a covalent bond in molecule by:

25 / 30

25. Which of the following is a disadvantage of storing hydrogen as a liquid?

26 / 30

26. Hydrogen fuel cells are considered an important technology for clean energy because they:

27 / 30

27. Hydrogen is used in the electronics industry primarily for:

28 / 30

28. Hydrogen’s unique placement in the periodic table is primarily due to:

29 / 30

29. Interstitial hydrides are typically formed with which type of metals?

30 / 30

30. Which of the following symbols represents deuterium correctly?

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Class 11 Chemistry: Hydrogen Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

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  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. Which of the following reactions is used in the Bosch process to convert carbon monoxide into methane?

2 / 50

2. The phenomenon that causes water to "climb" up a plant stem against gravity is called:

3 / 50

3. The main chemical reaction involved in the Bosch process is:

4 / 50

4. What is the role of the electrolyte in a hydrogen fuel cell?

5 / 50

5. What is the bonding characteristic of metallic hydrides such as TiH₂ and PdH₂?

6 / 50

6. What is the structure of interstitial hydrides like TiH₂?

7 / 50

7. The structure of hydrogen peroxide differs from that of water (H₂O) mainly because:

8 / 50

8. How is hydrogen peroxide prepared in the laboratory?

9 / 50

9. The radioactive nature of tritium is primarily due to:

10 / 50

10. The critical temperature of dihydrogen is:

11 / 50

11. Which of the following reactions shows the reducing property of hydrogen?

12 / 50

12. Which industrial method is commonly used for large-scale production of hydrogen peroxide?

13 / 50

13. The structure of hydrogen peroxide (H₂O₂) is best described as:

14 / 50

14. What is the main industrial use of hydrogen?

15 / 50

15. The production of heavy water (D₂O) is most commonly carried out using:

16 / 50

16. In addition to nuclear reactors, heavy water (D₂O) is also used in:

17 / 50

17. Interstitial hydrides are typically formed with which type of metals?

18 / 50

18. Which of the following chemical reactions is an example of a decomposition reaction?

19 / 50

19. The freezing point of heavy water (D₂O) is:

20 / 50

20. Which of the following is an example of a displacement reaction?

21 / 50

21. Which of the following laboratory methods is commonly used for preparing hydrogen gas?

22 / 50

22. Water is essential in the nitrogen cycle because it:

23 / 50

23. Which of the following is a disadvantage of storing hydrogen as a liquid?

24 / 50

24. Which of the following best describes tritium’s role in nuclear fusion?

25 / 50

25. Hydrogen peroxide decomposes into oxygen and water when:

26 / 50

26. Water’s role in the human body includes:

27 / 50

27. Which of the following is a potential future method for hydrogen transport and storage?

28 / 50

28. Hydrogen gas is collected by:

29 / 50

29. One of the main challenges of hydrogen fuel cell technology is:

30 / 50

30. Which of the following is a property of heavy water (D₂O) compared to regular water (H₂O)?

31 / 50

31. In the laboratory preparation of hydrogen, what is the role of sulfuric acid when reacting with zinc?

32 / 50

32. The type of bond present between the two oxygen atoms in hydrogen peroxide (H₂O₂) is:

33 / 50

33. The main advantage of using heavy water (D₂O) as a moderator in nuclear reactors compared to light water (H₂O) is that:

34 / 50

34. Which of the following is a characteristic property of interstitial hydrides?

35 / 50

35. Hydrogen peroxide is commonly used in the following application:

36 / 50

36. Which of the following acids should NOT be used for preparing hydrogen gas in the laboratory?

37 / 50

37. Which metal is commonly used in the formation of metallic hydrides for hydrogen storage applications?

38 / 50

38. Why is protium considered chemically more reactive than deuterium?

39 / 50

39. In which form does hydrogen exist in the sun and stars?

40 / 50

40. Which of the following reactions is an example of a redox reaction?

41 / 50

41. Which of the following correctly represents protium?

42 / 50

42. Water has the highest dielectric constant among all liquids because:

43 / 50

43. What is the main use of hydrogen peroxide in the medical field?

44 / 50

44. Which statement about the solubility of dihydrogen in water is correct?

45 / 50

45. Hydrogen shows similarity to alkali metals in which of the following reactions?

46 / 50

46. One of the challenges of using hydrogen as a fuel is that it:

47 / 50

47. Which of the following properties does hydrogen share with alkali metals in aqueous solutions?

48 / 50

48. Water’s ability to act as a solvent is crucial for:

49 / 50

49. Which of the following gases is often mixed with hydrogen during transportation to improve its handling and storage?

50 / 50

50. Which of the following equations is an example of a double displacement reaction?

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Practice Hydrogen MCQs
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Class 11 Chemistry — Chapter 9: Hydrogen Online Test

The Class 11 Chemistry: Chapter 9 — Hydrogen Online Test offers a collection of 343 MCQs designed to test your understanding of one of the most important and unique elements in the periodic table—Hydrogen. This test is free, aligned with CBSE/NCERT standards, and enables unlimited practice. With three difficulty levels, you can progressively challenge yourself, review your performance, and track your improvement.

Hydrogen is a key topic for various exams, including JEE, NEET, and other competitive tests. Whether you’re revising the basics or diving into the advanced applications of hydrogen in reactions and compounds, this page offers a structured, exam-style practice. You can take the test as a mock exam to sharpen your skills, identify weak areas, and improve your speed and accuracy. Every attempt gives you instant results, and passing Paper 3 earns you a certificate.

What is this Class 11 Chemistry: Hydrogen Online Test?

This page offers three comprehensive MCQ papers for Chapter 9: Hydrogen:

  • Paper 1 (Easy) — Foundation: 20 questions · 30 minutes · Pass 40% · Fixed question set
  • Paper 2 (Medium) — Intermediate: 30 questions · 45 minutes · Pass 50% · Randomized from a pool of 343 questions
  • Paper 3 (Hard) — Advanced Challenge: 50 questions · 75 minutes · Pass 70% · Randomized from the same pool + Certificate on pass

Note: Each paper is timed, auto-evaluated, and displays your results instantly. You can retake Paper 2 and Paper 3 for fresh questions and further practice.

Key Topics Covered in this Online Test

This test covers all important topics from Chapter 9: Hydrogen in Class 11 Chemistry. You will get practice on the following sub-topics:

  • Position of Hydrogen in the periodic table and its comparison with alkali metals and halogens
  • Isotopes of Hydrogen — Protium, Deuterium, Tritium
  • Preparation of Dihydrogen — Methods of hydrogen preparation (from water, hydrocarbons, etc.)
  • Properties of Dihydrogen — Physical and chemical properties, uses in industries
  • Hydrogen Peroxide — Preparation, properties, and applications in industries and everyday use
  • Hydrides — Types of hydrides (ionic, covalent, and metallic) and their properties
  • Water and Heavy Water — Properties, differences, and applications in nuclear reactors
  • Hydrogen as a Fuel — Fuel cells, combustion, and efficiency in energy production
  • Acid-Base Properties of Hydrogen Compounds — H2O, HCl, H2SO4, and other acids/bases
  • Hydrogenation Reactions — Hydrogenation of alkenes, importance in food industry (e.g., margarine)
  • Uses of Hydrogen — In fuel cells, rocket propulsion, and as a reducing agent in various reactions

To gain more understanding, you can explore additional MCQs for Hydrogen. in the full Class 11 Chemistry MCQ Question Bank.

How This Exam-Style Online Test Works

Quick Overview: Pick a paper → Answer MCQs within the given time → Submit → Get your score and review answers instantly.

What you’ll see during the test

  • MCQs: A set of 4 answer options per question (A, B, C, D).
  • Timer on top: Paper 1: 30 minutes, Paper 2: 45 minutes, Paper 3: 75 minutes.
  • Pagination: Usually, 10 questions per page (click through to continue).
  • Navigation: Use Next/Prev to move through questions or click directly using the question map.
  • View Result: After submission, click View Result to check your score, correctness, and missed questions.
  • Result Summary: Score %, correct/incorrect/unanswered count, answer-key, and the option to share results.
  • Restart: Click Restart Test for another attempt with randomized questions in Paper 2 & Paper 3.

Note: After completing the test, kindly share your feedback to improve the system.

Marking & Pass Criteria

  • Scoring: +1 for correct answers, 0 for incorrect answers (no negative marking).
  • Passing marks: Paper 1 — 40% • Paper 2 — 50% • Paper 3 — 70%.
  • Randomization: Paper 2 & Paper 3 will present new questions on each attempt, providing a fresh challenge. Paper 1 remains fixed.

Who can take this test?

  • CBSE Class 11 students revising Chapter 9 (Hydrogen) for exams.
  • Students seeking JEE/NEET foundation and building a strong understanding of basic chemistry concepts.
  • School learners who want extra practice with Hydrogen and related reactions.
  • Coaching students preparing for competitive exams like JEE and NEET.
  • Teachers / tutors who need ready-to-use test resources for student assessments.
  • Self-learners and homeschoolers aiming to revise and strengthen their understanding of Hydrogen.

Advantages of this Online Test

  • Real exam feel: Timed questions, instant feedback, and auto-submit to simulate exam conditions.
  • Step-up difficulty: Foundation → Intermediate → Challenge (+ certificate for Paper 3).
  • Unlimited attempts: Keep practicing until you’re confident, with randomized sets for Paper 2 & Paper 3.
  • Free access: Completely free with no hidden charges.

How this test helps you study better

  • Step 1 – Basic Check: Start with Paper 1 to test your initial understanding of Hydrogen.
  • Step 2 – Practice Concept: Move to Paper 2 to reinforce your learning and improve accuracy.
  • Step 3 – Challenge Yourself: Attempt Paper 3 to test your mastery and aim for the certificate.
  • Step 4 – Review Mistakes: Analyze your errors, revisit missed topics, and keep a log for improvement.

Important Notes (Read Before You Start)

  • Do not refresh or close the tab during the test.
  • Best experience: Use Chrome or Edge with a stable internet connection.
  • Allow cookies/local storage to save your progress.
  • Safety: The test is 100% free and contains no hidden fees.

More Practice for Class 11 Chemistry

After completing this online test, explore additional resources to enhance your Chemistry knowledge: Visit the Class 11 Chemistry MCQ Collection for more practice questions across all chapters.

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