Exam-Style Online Test | Class 11 Chemistry: Hydrogen

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. Hydrogen reacts with unsaturated hydrocarbons in the presence of catalysts like Ni or Pt to produce:

2 / 30

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

3 / 30

3. The melting point of dihydrogen is approximately:

4 / 30

4. Hydrogen fuel cells are advantageous because they:

5 / 30

5. The nucleus of protium consists of:

6 / 30

6. In hydrogen peroxide, each oxygen atom is bonded to:

7 / 30

7. Which of the following is a property of metallic hydrides like TiH₂ and PdH₂?

8 / 30

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

9 / 30

9. The water-gas shift reaction can be performed in two stages:

10 / 30

10. One of the key uses of hydrogen peroxide in the environmental sector is:

11 / 30

11. Which property of isotopes makes them useful in research and medical fields?

12 / 30

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

13 / 30

13. Protium combines with oxygen to form:

14 / 30

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

15 / 30

15. Hydrogen peroxide is used in medicine for:

16 / 30

16. What is the key difference between hydrogen and halogens despite their resemblance?

17 / 30

17. The primary method for producing heavy water (D₂O) is:

18 / 30

18. Heavy water (D₂O) differs from regular water (H₂O) in that:

19 / 30

19. Which of the following is an effective method to remove temporary hardness from water?

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. In which of the following reactions does hydrogen peroxide act as a reducing agent?

22 / 30

22. The bond angle in hydrogen peroxide (H₂O₂) is approximately:

23 / 30

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

24 / 30

24. What is the most abundant element in the universe?

25 / 30

25. Which of the following metals forms a metallic hydride that is used in hydrogen storage?

26 / 30

26. Dihydrogen gas is lighter than air because:

27 / 30

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

28 / 30

28. In oxyhydrogen welding, hydrogen is used because:

29 / 30

29. The boiling point of dihydrogen is approximately:

30 / 30

30. The chemical properties of hydrogen isotopes are similar because:

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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 laboratory methods is commonly used for preparing hydrogen gas?

2 / 50

2. Which compound of hydrogen is similar to hydrogen halides in structure?

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

6. Which of the following is true regarding the hydrogen absorption in interstitial hydrides?

7 / 50

7. Hydrogen fuel is considered a clean energy source because it:

8 / 50

8. Which of the following is a characteristic feature of metallic hydrides like PdH₂ and TiH₂?

9 / 50

9. In the electrolysis of water, what is the product formed at the cathode?

10 / 50

10. Why do reactions involving deuterium occur more slowly than those with protium?

11 / 50

11. Hydrogen bonding in water contributes to which of the following properties?

12 / 50

12. Hydrogen peroxide is used in medicine for:

13 / 50

13. The decomposition of hydrogen peroxide is catalyzed by which of the following substances?

14 / 50

14. The reaction is an example of a:

15 / 50

15. Heavy water (D₂O) is used in nuclear reactors because it allows for the use of:

16 / 50

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

17 / 50

17. In the Bosch process, what role does the catalyst play?

18 / 50

18. Hydrogen fuel is considered a renewable energy source when it is produced by:

19 / 50

19. Which of the following statements about deuterium is true?

20 / 50

20. Which industrial method is most commonly used to produce hydrogen from natural gas?

21 / 50

21. Dihydrogen gas is lighter than air because:

22 / 50

22. In which of the following applications is hydrogen peroxide used in the textile industry?

23 / 50

23. Which statement is true about the flammability of dihydrogen gas?

24 / 50

24. Which of the following properties of water can be attributed to hydrogen bonding?

25 / 50

25. Which of the following best describes the interaction responsible for hydrogen bonding in water?

26 / 50

26. Water is a polar molecule because:

27 / 50

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

28 / 50

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

29 / 50

29. Hydrogen is used as a fuel in fuel cells because:

30 / 50

30. The most common method for storing hydrogen is:

31 / 50

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

32 / 50

32. Which of the following best describes the effect of heavy water on biological systems?

33 / 50

33. Which of the following statements correctly describes the isotopes of hydrogen?

34 / 50

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

35 / 50

35. Which of the following chemical equations represents a combination reaction?

36 / 50

36. Calcium hydride (CaH₂) reacts with water to form:

37 / 50

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

38 / 50

38. Which of the following is a major use of hydrogen peroxide in the cosmetic industry?

39 / 50

39. Which of the following statements is true about the boiling points of covalent hydrides?

40 / 50

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

41 / 50

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

42 / 50

42. Hydrogen chloride (HCl) is an example of a:

43 / 50

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

44 / 50

44. Hydrogen resembles halogens in which of the following reactions?

45 / 50

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

46 / 50

46. Which of the following represents the similarity in electron gain behavior of hydrogen and halogens?

47 / 50

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

48 / 50

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

49 / 50

49. Metallic hydrides like TiH₂ and PdH₂ are mainly used in which of the following applications?

50 / 50

50. In nature, tritium is formed mainly by:

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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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