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.

Get new questions on each attempt

  • 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 peroxide is used in medicine for:

2 / 30

2. Which of the following is an example of a polar covalent hydride?

3 / 30

3. The most common method for storing hydrogen is:

4 / 30

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

5 / 30

5. One of the key advantages of using hydrogen as a fuel is that it:

6 / 30

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

7 / 30

7. Which of the following reactions is used in the water-gas shift reaction to produce additional hydrogen?

8 / 30

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

9 / 30

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

10 / 30

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

11 / 30

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

12 / 30

12. The boiling point of heavy water () compared to ordinary water () is:

13 / 30

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

14 / 30

14. Water’s high surface tension is primarily due to:

15 / 30

15. Hydrogen peroxide (H₂O₂) is a:

16 / 30

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

17 / 30

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

18 / 30

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

19 / 30

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

20 / 30

20. Why is hydrogen sometimes grouped with alkali metals in periodic table discussions?

21 / 30

21. The melting point of dihydrogen is approximately:

22 / 30

22. Tritium undergoes radioactive decay to form which element?

23 / 30

23. The half-life of tritium is approximately:

24 / 30

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

25 / 30

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

26 / 30

26. The electrode reactions during electrolysis of water can be represented as:

27 / 30

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

28 / 30

28. Which of the following correctly describes dihydrogen under normal conditions?

29 / 30

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

30 / 30

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

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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. Why does water expand when it freezes?

2 / 50

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

3 / 50

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

4 / 50

4. Which of the following reactions represents a displacement reaction?

5 / 50

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

6 / 50

6. Which of the following is an advantage of using hydrogen fuel cells over traditional internal combustion engines?

7 / 50

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

8 / 50

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

9 / 50

9. One of the primary advantages of hydrogen fuel over traditional fossil fuels is that it:

10 / 50

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

11 / 50

11. Why is zinc preferred over other metals like iron or magnesium in laboratory hydrogen preparation?

12 / 50

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

13 / 50

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

14 / 50

14. Hydrogen fuel cells can be used in which of the following applications?

15 / 50

15. Which form of hydrogen is most stable under normal conditions?

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

19. The Bosch process is used to:

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

23. Hydrogen peroxide is used in medicine for:

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

31. Why is tritium useful in self-luminous devices like watch dials and exit signs?

32 / 50

32. Hydrogen differs from alkali metals because:

33 / 50

33. In metallic hydrides like PdH₂, hydrogen atoms are:

34 / 50

34. The main function of a hydrogen fuel cell is to:

35 / 50

35. The bond angle in a water molecule (H₂O) is approximately:

36 / 50

36. Hydrogen resembles halogens because it:

37 / 50

37. Hydrogen and halogens both form volatile covalent compounds because:

38 / 50

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

39 / 50

39. What conclusion can be drawn about hydrogen’s classification?

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. Both hydrogen and halogens:

45 / 50

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

46 / 50

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

47 / 50

47. Hydrogen differs from halogens because:

48 / 50

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

49 / 50

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

50 / 50

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

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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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