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 property of interstitial hydrides?

2 / 30

2. Hydrogen fuel can be used to power vehicles because it:

3 / 30

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

4 / 30

4. What is the main use of deuterium in nuclear reactors?

5 / 30

5. Permanent hardness of water is caused by:

6 / 30

6. Which of the following properties is typical of ionic hydrides like NaH and CaH₂?

7 / 30

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

8 / 30

8. The refractive index of water is approximately:

9 / 30

9. The most common method for storing hydrogen is:

10 / 30

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

11 / 30

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

12 / 30

12. The water cycle is responsible for:

13 / 30

13. The mass number of protium is:

14 / 30

14. Dihydrogen gas is lighter than air because:

15 / 30

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

16 / 30

16. The oxidation state of each oxygen atom in hydrogen peroxide (H₂O₂) is:

17 / 30

17. Hydrogen is used in the food industry for:

18 / 30

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

19 / 30

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

20 / 30

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

21 / 30

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

22 / 30

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

23 / 30

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

24 / 30

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

25 / 30

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

26 / 30

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

27 / 30

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

28 / 30

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

29 / 30

29. Hydrogen fuel cells are advantageous because they:

30 / 30

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

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

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

5. Hydrogen fuel can be used to power vehicles because it:

6 / 50

6. The critical temperature of dihydrogen is:

7 / 50

7. The water-gas shift reaction helps in removing which impurity from hydrogen gas?

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

13. In the structure of hydrogen peroxide, the lone pairs of electrons on the oxygen atoms:

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

17. Water has a high specific heat capacity, meaning it:

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

22. Which physical property of hydrogen isotopes is different?

23 / 50

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

24 / 50

24. Which of the following compounds is used in the removal of both temporary and permanent hardness from water?

25 / 50

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

26 / 50

26. Which of the following hydrogen isotopes is radioactive?

27 / 50

27. Hydrogen resembles halogens because it:

28 / 50

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

29 / 50

29. Interstitial hydrides such as TiH₂ are most commonly used in:

30 / 50

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

31 / 50

31. Hydrogen and alkali metals both:

32 / 50

32. The bonding in ammonia (NH₃) is:

33 / 50

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

34 / 50

34. Interstitial hydrides are formed when:

35 / 50

35. Heavy water is commonly used in:

36 / 50

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

37 / 50

37. Water is involved in which of the following biological processes?

38 / 50

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

39 / 50

39. Tritium can be artificially produced by:

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. Temporary hardness of water is mainly caused by:

45 / 50

45. The oxidation state of each oxygen atom in hydrogen peroxide (H₂O₂) is:

46 / 50

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

47 / 50

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

48 / 50

48. Which of the following statements is correct regarding the diffusibility of dihydrogen?

49 / 50

49. The water softening process that uses calcium carbonate (CaCO₃) for hardness removal is called:

50 / 50

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

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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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