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

2 / 30

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

3 / 30

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

4 / 30

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

5 / 30

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

6 / 30

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

7 / 30

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

8 / 30

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

9 / 30

9. In a hydrogen fuel cell, the anode is responsible for:

10 / 30

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

11 / 30

11. Hydrogen and alkali metals both:

12 / 30

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

13 / 30

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

14 / 30

14. The molecular formula of heavy hydrogen gas is:

15 / 30

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

16 / 30

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

17 / 30

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

18 / 30

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

19 / 30

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

20 / 30

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

21 / 30

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

22 / 30

22. Water plays a vital role in the climate system by:

23 / 30

23. Which of the following is a common method used to remove both temporary and permanent hardness from water?

24 / 30

24. The boiling point of dihydrogen is approximately:

25 / 30

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

26 / 30

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

27 / 30

27. What is the chemical formula of hydrogen peroxide?

28 / 30

28. Which of the following is a property of metallic hydrides like TiH₂ and PdH₂?

29 / 30

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

30 / 30

30. The most common method for storing hydrogen is:

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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 Bosch process is used to:

2 / 50

2. The heat of vaporization of water is relatively high because:

3 / 50

3. In water, each hydrogen bond is approximately:

4 / 50

4. Which of the following is a common method used to remove both temporary and permanent hardness from water?

5 / 50

5. Hydrogen fuel cells are considered a promising solution for reducing carbon emissions in the transportation sector because:

6 / 50

6. Which statement correctly describes the bond nature in hydrogen and halogen molecules?

7 / 50

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

8 / 50

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

9 / 50

9. Permanent hardness of water is caused by:

10 / 50

10. Which of the following hydrogen isotopes is radioactive?

11 / 50

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

12 / 50

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

13 / 50

13. What is the boiling point of hydrogen peroxide?

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

21. The structure of hydrogen peroxide (H₂O₂) is best described as:

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. What makes water a polar molecule?

26 / 50

26. Heavy water (D₂O) is used in nuclear reactors because it allows for the use of:

27 / 50

27. The byproducts of a hydrogen fuel cell are:

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

34. Heavy water is commonly used in:

35 / 50

35. Which of the following is a key role of water in photosynthesis?

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

41. Which of the following is NOT a property of hydrogen?

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

45. Both hydrogen and alkali metals:

46 / 50

46. The efficiency of a hydrogen fuel cell is primarily determined by:

47 / 50

47. Which of the following hydrides is commonly used as a fuel for rockets?

48 / 50

48. Tritium can be artificially produced by:

49 / 50

49. A key advantage of using metal hydrides for hydrogen storage is:

50 / 50

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

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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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