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. What is the structure of interstitial hydrides like TiH₂?

2 / 30

2. In the reaction of hydrogen peroxide with potassium iodide (KI), what is the role of hydrogen peroxide?

3 / 30

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

4 / 30

4. Tritium can be artificially produced by:

5 / 30

5. Which of the following is an undesirable effect of hard water in domestic use?

6 / 30

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

7 / 30

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

8 / 30

8. Hydrogen bonding in water occurs between:

9 / 30

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

10 / 30

10. Which compound is formed when deuterium reacts with chlorine?

11 / 30

11. How is hydrogen peroxide prepared in the laboratory?

12 / 30

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

13 / 30

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

14 / 30

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

15 / 30

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

16 / 30

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

17 / 30

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

18 / 30

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

19 / 30

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

20 / 30

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

21 / 30

21. The molecular formula of heavy hydrogen gas is:

22 / 30

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

23 / 30

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

24 / 30

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

25 / 30

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

26 / 30

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

27 / 30

27. Which of the following is true about palladium hydride (PdH₂)?

28 / 30

28. Ionic hydrides, such as sodium hydride (NaH) and calcium hydride (CaH₂), are characterized by:

29 / 30

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

30 / 30

30. Which of the following reactions correctly represents the combustion of dihydrogen in oxygen?

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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 electronic configuration of hydrogen is:

2 / 50

2. Hydrogen peroxide (H₂O₂) is a:

3 / 50

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

4 / 50

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

5 / 50

5. Tritium undergoes radioactive decay to form which element?

6 / 50

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

7 / 50

7. Tritium can be artificially produced by:

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

11. Hydrogen resembles halogens because it:

12 / 50

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

13 / 50

13. What is the primary use of calcium hydride (CaH₂) in industry?

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20. The hydrogen bonding in water occurs between:

21 / 50

21. In nature, tritium is formed mainly by:

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. The reaction is an example of a:

26 / 50

26. Which of the following equations represents the reaction between hydrogen and sulfur?

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

30. Why does hydrogen occupy a unique position in the periodic table?

31 / 50

31. The oxidizing nature of hydrogen peroxide is evident when it reacts with which of the following to form oxygen gas?

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

35. Why does hydrogen resemble alkali metals in terms of oxidation number?

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

41. A major environmental advantage of using hydrogen as fuel is that it:

42 / 50

42. Which of the following symbols represents deuterium correctly?

43 / 50

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

44 / 50

44. When deuterium reacts with oxygen, the product formed is:

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

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

49 / 50

49. What makes water a polar molecule?

50 / 50

50. In what way does hydrogen resemble halogens?

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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)

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  • Best experience: Use Chrome or Edge with a stable internet connection.
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  • 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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