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

2 / 30

2. Why does water expand when it freezes?

3 / 30

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

4 / 30

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

5 / 30

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

6 / 30

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

7 / 30

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

8 / 30

8. Both hydrogen and alkali metals:

9 / 30

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

10 / 30

10. Which of the following acids should NOT be used for preparing hydrogen gas in the laboratory?

11 / 30

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

12 / 30

12. In the production of chemicals, hydrogen peroxide is used in the synthesis of:

13 / 30

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

14 / 30

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

15 / 30

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

16 / 30

16. Which of the following is a characteristic reaction of ionic hydrides like NaH with acids?

17 / 30

17. The main advantage of using heavy water (D₂O) as a moderator in nuclear reactors compared to light water (H₂O) is that:

18 / 30

18. Hydrogen resembles halogens because it:

19 / 30

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

20 / 30

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

21 / 30

21. Which of the following is true regarding the hydrogen absorption in interstitial hydrides?

22 / 30

22. The mass number of protium is:

23 / 30

23. How is hydrogen peroxide prepared in the laboratory?

24 / 30

24. Hydrogen shows similarity to alkali metals in which of the following reactions?

25 / 30

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

26 / 30

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

27 / 30

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

28 / 30

28. Interstitial hydrides are formed when:

29 / 30

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

30 / 30

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

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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. Water has a high boiling point compared to other molecules of similar size because:

2 / 50

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

3 / 50

3. Hydrogen is used in the petrochemical industry for:

4 / 50

4. The electronic configuration of hydrogen is:

5 / 50

5. Permanent hardness of water is caused by:

6 / 50

6. Hydrogen differs from alkali metals because:

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

10. Protium combines with oxygen to form:

11 / 50

11. Which of the following hydrogen isotopes is radioactive?

12 / 50

12. Which of the following chemical reactions is an example of a decomposition reaction?

13 / 50

13. What is the main use of hydrogen peroxide in the medical field?

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

18. In what way does hydrogen resemble halogens?

19 / 50

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

20 / 50

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

21 / 50

21. Hydrogen is an important reducing agent in many industrial processes, including the reduction of:

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

26. What is the role of the electrolyte in a hydrogen fuel cell?

27 / 50

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

28 / 50

28. Heavy water (D₂O) is commonly used in which type of nuclear reactor?

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

33. What is the boiling point of hydrogen peroxide?

34 / 50

34. Which of the following statements best describes the electronic configuration similarity between hydrogen and alkali metals?

35 / 50

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

36 / 50

36. The specific heat of dihydrogen gas is:

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

42. Water is a polar molecule because:

43 / 50

43. What is the molecular geometry of water (H₂O)?

44 / 50

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

45 / 50

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

46 / 50

46. Which of the following is a characteristic reaction of ionic hydrides like NaH with acids?

47 / 50

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

48 / 50

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

49 / 50

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

50 / 50

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

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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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