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Hydrogen
14 topics, ranked by how often each is asked.
- 14 questions
- 13 papers
- 0.8% of Chemistry
Topics
The squares are the last ten exam years: filled means it was asked that year.
Most asked first
- 1Properties and Uses of Dihydrogen1 questionPractise Properties and Uses of Dihydrogen
- 2Hydrides – Ionic, Covalent and Metallic1 questionPractise Hydrides – Ionic, Covalent and Metallic
- 3Isotopes of Hydrogen1 questionPractise Isotopes of Hydrogen
- 4Hydrogen – Compounds of Hydrogen1 questionPractise Hydrogen – Compounds of Hydrogen
- 5Hardness of Water1 questionPractise Hardness of Water
- 6Steam reforming of methane (syngas production)1 questionPractise Steam reforming of methane (syngas production)
- 7Uses of dihydrogen - atomic hydrogen torch1 questionPractise Uses of dihydrogen - atomic hydrogen torch
- 8Hydrates - hydrogen bonded water1 questionPractise Hydrates - hydrogen bonded water
- 9Hydrides – ionic character1 questionPractise Hydrides – ionic character
- 10Properties and isotopes of hydrogen1 questionPractise Properties and isotopes of hydrogen
- 11Hydrogen peroxide1 questionPractise Hydrogen peroxide
- 12Heavy water1 questionPractise Heavy water
- 13Oxides and peroxides1 questionPractise Oxides and peroxides
- 14Hydrides1 questionPractise Hydrides
No topics match.
Questions per paper
Asked in 9 of the last 16 papers (2017–2026).
- 2026: 1 question
- 2026 Re-NEET: not asked
- 2025: not asked
- 2024: not asked
- 2024 Re-NEET: not asked
- 2023: 1 question
- 2023 Manipur: not asked
- 2022: 1 question
- 2022 Phase 2: 1 question
- 2021: 1 question
- 2020: 1 question
- 2020 Phase-2: not asked
- 2019: 1 question
- 2019 Odisha: 1 question
- 2018: 1 question
- 2017: not asked
Concepts tested
- classification of hydrides
- Electron-deficient hydrides
- Hydrates - hydrogen bonded water
- hydrogen-properties
- H–H bond enthalpy and reducing action
- ionic-hydrides-group2
- Peroxide linkage
- Properties of heavy water
- radioactivity of tritium
- Reducing action of hydrogen peroxide
- removal of temporary hardness
- Uses of dihydrogen - atomic hydrogen torch
- water gas, hard water, diborane and hydrogen peroxide