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. In the structure of water, each oxygen atom forms how many hydrogen bonds?

2 / 30

2. Which of the following statements about halogen and hydrogen reactivity is correct?

3 / 30

3. Water is a polar molecule because:

4 / 30

4. Temporary hardness of water is mainly caused by:

5 / 30

5. Water is essential for life on Earth because it:

6 / 30

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

7 / 30

7. Hydrogen fuel cells are advantageous because they:

8 / 30

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

9 / 30

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

10 / 30

10. Which statement about tritium is true?

11 / 30

11. What is the relative atomic mass of protium?

12 / 30

12. Permanent hardness of water is caused by:

13 / 30

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

14 / 30

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

15 / 30

15. What is the most accepted position of hydrogen in the modern periodic table?

16 / 30

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

17 / 30

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

18 / 30

18. The ability of water to dissolve many polar and ionic substances is mainly due to:

19 / 30

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

20 / 30

20. Hydrogen and alkali metals both:

21 / 30

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

22 / 30

22. Tritium undergoes radioactive decay to form which element?

23 / 30

23. In the laboratory setup for hydrogen preparation, the gas is collected by:

24 / 30

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

25 / 30

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

26 / 30

26. The critical temperature of dihydrogen is:

27 / 30

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

28 / 30

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

29 / 30

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

30 / 30

30. Hydrogen differs from alkali metals 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. What conclusion can be drawn about hydrogen’s classification?

2 / 50

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

3 / 50

3. Protium forms a covalent bond in molecule by:

4 / 50

4. Hydrogen reacts with nitrogen to form ammonia in the presence of a catalyst. This process is called:

5 / 50

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

6 / 50

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

7 / 50

7. In which of the following reactions does hydrogen peroxide act as an oxidizing agent?

8 / 50

8. Hydrogen peroxide is used in medicine for:

9 / 50

9. Which of the following is a covalent hydride that exhibits hydrogen bonding?

10 / 50

10. Which isotope of hydrogen is used as a tracer in biochemical and environmental studies?

11 / 50

11. Hydrogen is used in the synthesis of which of the following key industrial chemicals?

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

17. Which of the following methods is used to transport hydrogen over long distances?

18 / 50

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

19 / 50

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

20 / 50

20. Water treated by the ion exchange method is known as:

21 / 50

21. Which of the following statements about halogen and hydrogen reactivity is correct?

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. In which industry is hydrogen peroxide primarily used for bleaching purposes?

26 / 50

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

27 / 50

27. Hydrogen peroxide is used in the paper industry primarily for:

28 / 50

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

29 / 50

29. Both hydrogen and halogens:

30 / 50

30. In a water molecule (H₂O), the hydrogen atoms are:

31 / 50

31. Which of the following compounds is an example of a covalent hydride?

32 / 50

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

33 / 50

33. In the industrial production of hydrogen, which method involves the reaction of natural gas with steam at high temperatures?

34 / 50

34. The high heat of vaporization of water is due to:

35 / 50

35. In oxyhydrogen welding, hydrogen is used because:

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

39. When hydrogen reacts with chlorine in the presence of sunlight, the main product is:

40 / 50

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

41 / 50

41. What is the chemical formula of hydrogen peroxide?

42 / 50

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

43 / 50

43. Which of the following reactions is an example of a disproportionation reaction?

44 / 50

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

45 / 50

45. Which of the following chemical equations represents a redox reaction?

46 / 50

46. The byproducts of a hydrogen fuel cell are:

47 / 50

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

48 / 50

48. Hydrogen is used in the petrochemical industry for:

49 / 50

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

50 / 50

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

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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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