Hydrogen – JEE Main Previous Year Questions (2015–2019)

All 5 JEE Main previous-year questions from Hydrogen (Chemistry), 2015–2019, taken from 4 papers. Practise them together in one test with the official marking and answer key, then review every answer.

▶ Practise all 5 questionsAll JEE Main chapters

Hydrogen questions by paper

Sample questions

• JEE Main 2019 8 Apr Shift 1
  mL ofa water sample contains 0.81 of calcium bicarbonate and 0.73 of magnesium bicarbonate The hardness of this water sample expressed in terms of equivalents of is…
• JEE Main 2019 9 Jan Shift 1
  The isotopes of hydrogen are 1 Protium and deuterium only 2 1 Tritium and protium only 3 Protium deuterium and tritium 4 Deuterium and tritium only
• JEE Main 2018 Set B (offline)
  Hydrogen peroxide oxidises Fe to Fe in acidic medium but reduces Fe to Fe in alkaline medium The other products formed are respectively 1 HO and 0 2 and OH 3 Oz and 4…
• JEE Main 2015 Set B (offline)
  The molecular formula of a commercial resin used for exchanging ions in water softening is Mol 206 What would be the maximum uptake of Ca ions by the resin when…

Question text shown from the scanned paper; open the test to see each question exactly as printed.

More Chemistry chapters

• Some Basic Concepts of Chemistry 6
• Structure of Atom 7
• Classification of Elements and Periodicity 7
• Chemical Bonding and Molecular Structure 9
• States of Matter 3
• Thermodynamics 11
• Equilibrium 12
• Redox Reactions 4
• s-Block Elements 4
• p-Block Elements 13
• Organic Chemistry: Basic Principles 12
• Hydrocarbons 11
• Environmental Chemistry 5
• Solid State 6
• Solutions 9
• Electrochemistry 11
• Chemical Kinetics 8
• Surface Chemistry 5
• General Principles of Isolation of Elements 4
• d- and f-Block Elements 6
• Coordination Compounds 15
• Haloalkanes and Haloarenes 10
• Alcohols, Phenols and Ethers 7
• Aldehydes, Ketones and Carboxylic Acids 10