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Hydrogen Questions

Practice 6 Hydrogen questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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6
Total Questions
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2
Easy
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Medium
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Hard
Practice by Exam:Chemistry(5)Science(1)

About Hydrogen — practice questions, PYQs & concepts

Hydrogen is a frequently-tested topic on Chemistry, Science. ExamTest.live currently lists 6 Hydrogen questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Hydrogen weight in competitive exams

Across our Hydrogen question bank, the largest sources are Chemistry (5) and Science (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 2 easy Hydrogen questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Hydrogen Questions(1–6 of 6)

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Q1mediummcqChemistryNEET 2020 E12026
Match the following and identify the correct option.| Column - I | Column - II || :--- | :--- || (a) | (iii) Synthesis gas || (b) Temporary hardness of water | (i) || (c) | (ii) An electron deficient hydride || (d) | (iv) Non-planar structure |
Q2easymcqChemistryNEET 20232026
Which of the following statements are not correct?A. Hydrogen is used to reduce heavy metal oxides to metals.B. Heavy water is used to study reaction mechanism.C. Hydrogen is used to make saturated fats from oils.D. The bond dissociation enthalpy is lowest as compared to a single bond between two atoms of any elements.E. Hydrogen reduces oxides of metals that are more active than iron.Choose the correct answer:
Q3mediummcqChemistryAIEEE2026
In context with the industrial preparation of hydrogen from water gas (), which of the following is the correct statement?
Q4easymcqChemistryAIEEE 20122026
Very pure hydrogen () can be made by which of the following processes?
Q5mediummcqSciencePrepp2026
How many electrons does a hydrogen molecule have in its K shell?
Q6mediummcqChemistryChemistry
Which of the following statements about hydrogen is incorrect?

Frequently Asked Questions

How many Hydrogen questions are on ExamTest.live?▼
We have 6 Hydrogen questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Hydrogen MCQs free?▼
Yes. All Hydrogen questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Hydrogen questions?▼
Hydrogen questions are commonly asked in Chemistry, Science. You can filter by exam using the links above.
How do I practice Hydrogen questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.