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

2 / 30

2. The reason why water is considered a universal solvent is due to:

3 / 30

3. The Bosch process is used to:

4 / 30

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

5 / 30

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

6 / 30

6. Which of the following is an example of a saline hydride?

7 / 30

7. The high boiling point of water is mainly due to:

8 / 30

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

9 / 30

9. What is the percentage abundance of deuterium in natural hydrogen?

10 / 30

10. Which of the following statements about hydrogen is correct?

11 / 30

11. Hydrogen fuel cells are advantageous because they:

12 / 30

12. In aquatic ecosystems, water helps support life by:

13 / 30

13. Water is known as the universal solvent because it:

14 / 30

14. The equation is an example of which type of reaction?

15 / 30

15. The half-life of tritium is approximately:

16 / 30

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

17 / 30

17. Hydrogen resembles halogens because it:

18 / 30

18. In the structure of ionic hydrides like NaH and CaH₂, the hydride ion () acts as:

19 / 30

19. During electrolysis of acidified water, the ratio of volumes of hydrogen and oxygen obtained is:

20 / 30

20. Hydrogen peroxide decomposes into oxygen and water when:

21 / 30

21. The most common method for storing hydrogen is:

22 / 30

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

23 / 30

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

24 / 30

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

25 / 30

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

26 / 30

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

27 / 30

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

28 / 30

28. Interstitial hydrides are formed when:

29 / 30

29. The byproducts of a hydrogen fuel cell are:

30 / 30

30. Which isotope of hydrogen does NOT contain any neutron?

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

2 / 50

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

3 / 50

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

4 / 50

4. Which of the following metals forms interstitial hydrides?

5 / 50

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

6 / 50

6. What is the primary challenge associated with the transportation of hydrogen gas?

7 / 50

7. Which of the following reactions is an example of a precipitation reaction?

8 / 50

8. What is the primary difference between interstitial hydrides and ionic hydrides?

9 / 50

9. Which of the following halogens reacts most vigorously with hydrogen?

10 / 50

10. What is the main industrial use of hydrogen?

11 / 50

11. Hydrogen is used in the synthesis of ammonia through:

12 / 50

12. Which compound of hydrogen is analogous to sodium chloride in terms of ionic nature?

13 / 50

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

14 / 50

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

15 / 50

15. Which of the following is a benefit of using heavy water (D₂O) in tracer studies?

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

19. Which of the following reasons supports keeping hydrogen separate from all groups?

20 / 50

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

21 / 50

21. What makes water a polar molecule?

22 / 50

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

23 / 50

23. Which of the following is an advantage of using hydrogen as a fuel for transportation?

24 / 50

24. Which catalyst is typically used in the Bosch process for hydrogen production from carbon monoxide and hydrogen?

25 / 50

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

26 / 50

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

27 / 50

27. Which of the following reactions is an example of a double displacement reaction?

28 / 50

28. Which of the following reactions is an example of a combustion reaction?

29 / 50

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

30 / 50

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

31 / 50

31. Water is known as the universal solvent because it:

32 / 50

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

33 / 50

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

34 / 50

34. The water-gas shift reaction is important in the production of:

35 / 50

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

36 / 50

36. The central atoms in the structure of hydrogen peroxide (H₂O₂) are:

37 / 50

37. Palladium hydride (PdH₂) is unique because:

38 / 50

38. The structure of a water molecule (H₂O) is best described as:

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. Which physical property of hydrogen isotopes is different?

45 / 50

45. Why are the reaction rates of deuterium compounds slower than those of protium compounds?

46 / 50

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

47 / 50

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

48 / 50

48. Which of the following metals reacts with hydrogen to form ionic hydrides?

49 / 50

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

50 / 50

50. Which statement best explains hydrogen’s intermediate nature?

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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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