CBSE Class 11 Chemistry Hydrogen Worksheet Set A

Access the latest CBSE Class 11 Chemistry Hydrogen Worksheet Set A. We have provided free printable Class 11 Chemistry worksheets in PDF format, specifically designed for Chapter 9 Hydrogen. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 9 Hydrogen Chemistry Practice Worksheet for Class 11

Students should use these Class 11 Chemistry chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 9 Hydrogen, to help you prepare for school tests and final examination. Regular practice of these Class 11 Chemistry questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 11 Chemistry Chapter 9 Hydrogen Worksheet PDF

 

HYDROGEN
 
Multiple Choice Questions:
 
1 The number of neutrons in tritium, isotope hydrogen is
 
a) 1                b) 0               c) 2             d) 3
 
2 When a sample of hard water is passed through a layer of sodium zeolite ,the ions that will not be present in the resulting sample of water will be
 
a) Ca2+         b) Mg2+         c) Ca2+ and Mg2+            d) all ions will be removed
 
3 Which one of the following hydrides are non-stoichiometric in nature?
 
a) Ionic hydrides     b) Covalent hydrides     c) Molecular hydrides      d) Metallic hydrides
 
4 Sodium polymetaphosphate is commercially termed
 
a) Zeolite               b) Permutit                   c) Calgon                       d) lime
 
5 Syn gas is a mixture of
 
a) CO + H2            b) CO2 + H2                c) CH4 + O2                   d) CH4 + H2O
 
Assertion[A] & Reasoning[R]
 
(A) Both assertion and reason are correct statements, and the reason is the correct explanation of the assertion
 
(B) Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion
 
(C) Assertion is correct, but reason is wrong statement
 
(D) Assertion is wrong, but reason is correct statement
 
(E) Both assertion and reason are wrong statements
 
1 [A]: The color of old lead paintings can be restored by washing with dilute solution of H2O2
 
[R]: Black PbS is oxidized by H2O2 to white PbSO4
 
2 [A]: Dihydrogen is highly reactive at room temperature.
 
[R]: H-H bond enthalpy is the highest for any single bond.
 
3 [A]: Hydrogen fuel pollutes the environment.
 
[R]: On combustion hydrogen releases toxic byproducts.
 
4 [A]: Presence of soluble bicarbonates of calcium and magnesium results in temporary hardness.
 
[R]: Temporary hardness can be removed by boiling.
 
5 [A]: Hydrogen peroxide decomposes to water and oxygen on exposure to light.
 
[R]: Hydrogen peroxide is stored in colored bottles .
 
Answer the following questions:
 
1. Compare the structures of H2O and H2O2.
 
2. Complete the following equations
a) Mg3N2 + H2O (l) →
b) PbS(s) + H2O2 (l) →
c) MnO4— (aq) + H2O2 (l) (acid) →
d) CuO(s) + H2 (g) →
e) CO(g) + H2 (g) →
 
3. Describe the industrial applications of hydrogen dependent on:
a) The heat liberated when its atoms combine on the surface of the metal.
b) Effect on unsaturated organic systems in presence of a catalyst.
 
4. Differentiate between
a) Hydrolysis and hydration using suitable examples.
b) hard water and soft water
c) permanent hardness and temporary hardness
 
5. Explain giving reasons:
 
a) The dihedral angle in H2O2 decreases in the solid state.
b) Ionic hydrides are frequently used to remove traces of water from organic compounds.
c) Heavy water is used in nuclear reactors
d) Liquid hydrogen is used as a rocket fuel.
e) Ice floats on water.
f) Water has a higher boiling point than expected.
g) Hard water does not lather easily with soap.
h) Zeolite purified water is not de-ionised.
i) H2O2 is stored in wax-lined brown coloured bottles.
j) Urea is added to H2O2 during storage.
k) H2O2 is used to restore oil paintings.
l) Water is densest at 40Celsius.
m) Hydrogen is inert at room temperature
 
6. A binary compound of hydrogen is non-conducting in the solid state. On electrolysis of the molten compound, hydrogen was liberated at the anode. What class of compound is this? Give an example. Give equation for its reaction with water.
 
7. Name a hydride that can act as a) a Lewis acid   b) Lewis base.
 
8. What is understood by hydrogen economy?
 
9. Write a balanced chemical equation for the formation of ammonia. Also mention the reaction conditions.
 
10. Discuss the different types of hydrides with examples.
 
11. Compare the principle and method of softening of hard water by
a) ion exchange method
b) synthetic resin method
 
12. Explain the following with equations
a) Coal gasification
b) Water gas shift reaction
 
13. Describe the permutit process for softening of hard water
 
14. What do you understand by auto protolysis of water?
 
15. How will you show that H2O2 is a powerful oxidizing agent?

 

Please click on below link to download CBSE Class 11 Chemistry Hydrogen Worksheet Set A

Chapter 01 Some Basic Concepts of Chemistry
CBSE Class 11 Chemistry Some Basic Concepts of Chemistry Worksheet Set A
CBSE Class 11 Chemistry Some Basic Concepts of Chemistry Worksheet Set B
CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set A
CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set B
CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set C
CBSE Class 11 Chemistry Some Basic Concepts Worksheet Set D
CBSE Class 11 Chemistry Some Basic Principles And Techniques Worksheet
CBSE Class 11 Mole Concept Percentage Composition Worksheet
CBSE Class 11 Properties of Matter and their Measurement Worksheet A
CBSE Class 11 Stoichiometry and Stoichiometric Calculations Worksheet A
CBSE Class 11 Uncertainty in Measurement Worksheet A
Chapter 02 Structure of Atom
CBSE Class 11 Atomic Models Worksheet A
CBSE Class 11 Bohrs Model of an atom Worksheet A
CBSE Class 11 Chemistry Structure of Atom Worksheet Set A
CBSE Class 11 Chemistry Structure of Atom Worksheet Set A
CBSE Class 11 Chemistry Structure of Atom Worksheet Set B
CBSE Class 11 Chemistry Structure of Atom Worksheet Set B
CBSE Class 11 Chemistry Structure of Atom Worksheet Set C
CBSE Class 11 Chemistry Structure of Atom Worksheet Set C
CBSE Class 11 Chemistry Structure of Atom Worksheet Set D
CBSE Class 11 Discovery of Sub Atomic Particles Worksheet A
CBSE Class 11 Orbitals and Quantum Numbers Worksheet A
CBSE Class 11 Quantum Mechanical Model of the Atom Worksheet A
Chapter 03 Classification of Elements and Periodicity in Properties
CBSE Class 11 Chemical Properties of Element Worksheet A
CBSE Class 11 Chemistry Classification of Element And Periodicity In Properties Worksheet
CBSE Class 11 Chemistry Classification of Elements and Periodicity in Properties Worksheet Set A
CBSE Class 11 Chemistry Classification of Elements and Periodicity in Properties Worksheet Set B
CBSE Class 11 Chemistry Periodic Classification Worksheet
CBSE Class 11 Genesis of Periodic Classification Worksheet A
CBSE Class 11 Modern Periodic law and Nomenclature Worksheet A
CBSE Class 11 Trends in Physical Properties of Elements Worksheet A
Chapter 04 Chemical Bonding and Molecular Structure
CBSE Class 11 Chemical Bonding Kossel Lewis approach Worksheet A
CBSE Class 11 Chemical Bonding and Molecular Structure Worksheet A
CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure Worksheet Set A
CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set A
CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure Worksheet Set B
CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set B
CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure Worksheet Set C
CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set C
CBSE Class 11 Hybridisation Worksheet A
CBSE Class 11 Ionic Bonding Worksheet A
CBSE Class 11 Molecular Orbital Theory Worksheet A
Chapter 05 Thermodynamics
CBSE Class 11 Application of Thermodynamic state Functions Worksheet A
CBSE Class 11 Chemistry Thermodynamics Worksheet Set A
CBSE Class 11 Chemistry Thermodynamics Worksheet Set B
CBSE Class 11 Chemistry Thermodynamics Worksheet Set B
CBSE Class 11 Chemistry Thermodynamics Worksheet Set C
CBSE Class 11 Chemistry Thermodynamics Worksheet Set D
CBSE Class 11 Enthalpy Change of a Reaction Worksheet A
CBSE Class 11 Spontaneity Worksheet A
CBSE Class 11 Thermodynamic Terms Worksheet A
Chapter 06 Equilibrium
CBSE Class 11 Applications of Equilibrium constants Worksheet A
CBSE Class 11 Buffer solution and solubility Product Worksheet A
CBSE Class 11 Chemistry Equilibrium Worksheet Set A
CBSE Class 11 Chemistry Equilibrium Worksheet Set A
CBSE Class 11 Chemistry Equilibrium Worksheet Set B
CBSE Class 11 Chemistry Equilibrium Worksheet Set B
CBSE Class 11 Chemistry Equilibrium Worksheet Set C
CBSE Class 11 Equilibrium in Chemical processes Worksheet A
CBSE Class 11 Equilibrium in physical processes Worksheet A
CBSE Class 11 Factors Affecting Equilibria Worksheet A
CBSE Class 11 Ionic Equilibrium In solution Worksheet A
CBSE Class 11 Ionization of Acids and Bases Worksheet A
Chapter 07 Redox Reactions
CBSE Class 11 Balancing of Redox Reactions Worksheet A
CBSE Class 11 Chemistry Redox Reaction Worksheet Set A
CBSE Class 11 Chemistry Redox Reactions Worksheet Set A
CBSE Class 11 Chemistry Redox Reactions Worksheet Set B
CBSE Class 11 Oxidation and Reduction Reactions Worksheet A
CBSE Class 11 Redox Reactions and Electrode Processes Worksheet A
CBSE Class 11 Redox Reactions in terms of Electron Transfer reactions Worksheet A
CBSE Class 11 Types of Redox Reduction Worksheet A
Chapter 08 Organic Chemistry – Some Basic Principles & Techniques
CBSE Class 11 Chemistry Organic Chemistry Worksheet
CBSE Class 11 Chemistry Organic Chemistry Worksheet Set A
CBSE Class 11 Chemistry Organic Chemistry Worksheet Set B
CBSE Class 11 Chemistry Organic Chemistry Worksheet Set C
CBSE Class 11 Classification of Organic Compounds Worksheet A
CBSE Class 11 Fundamental Concepts in Organic Reaction Mechanism Worksheet A
CBSE Class 11 Methods of Purification of Organic Compounds Worksheet A
CBSE Class 11 Nomenclature of Organic Compounds and Isomerism Worksheet A
CBSE Class 11 Qualitative Analysis of Organic Compounds Worksheet A
CBSE Class 11 Tetra valence of Carbon Worksheet A
Chapter 09 Hydrocarbons
CBSE Class 11 Alkenes Structure and Isomerism Worksheet A
CBSE Class 11 Alkynes Worksheet A
CBSE Class 11 Aromatic Hydrocarbon Worksheet A
CBSE Class 11 Chemical and Physical Properties of Alkanes Worksheet A
CBSE Class 11 Chemistry Hydrocarbons Worksheet Set A
CBSE Class 11 Chemistry Hydrocarbons Worksheet Set A
CBSE Class 11 Chemistry Hydrocarbons Worksheet Set B
CBSE Class 11 Chemistry Hydrocarbons Worksheet Set B
CBSE Class 11 Classification of Hydrocarbons Alkanes Worksheet A
CBSE Class 11 Preparation of Alkanes Worksheet A
CBSE Class 11 Preparation of Alkenes Worksheet A
CBSE Class 11 Preparation of Alkynes Worksheet A
CBSE Class 11 Properties of Alkenes Worksheet A
CBSE Class 11 Properties of Alkynes Worksheet A
z More Worksheets for Class 11 Chemistry
CBSE Class 11 Acid Rain and Photochemical Smog Worksheet A
CBSE Class 11 Bond Order Resonance structure and Polarity of bonds Worksheet A
CBSE Class 11 Chemistry Analysis of Inorganic Salt Worksheet
CBSE Class 11 Chemistry Determination of PH Worksheet
CBSE Class 11 Chemistry Project Worksheet
CBSE Class 11 Chemistry Worksheet Set A Solved
CBSE Class 11 Chemistry Worksheet Set B Solved
CBSE Class 11 Chemistry Worksheet Set C Solved
CBSE Class 11 Chemistry Worksheet Set D Solved
CBSE Class 11 Chemistry Worksheet Set E Solved
CBSE Class 11 Chemistry Worksheet Set F Solved
CBSE Class 11 Chemistry Worksheet Set G Solved
CBSE Class 11 Chemistry Worksheet Set H Solved
CBSE Class 11 Chemistry Worksheet Set I Solved
CBSE Class 11 Global Warming and Greenhouse Effect Worksheet A
CBSE Class 11 Heat Capacity Worksheet A
CBSE Class 11 Miscellaneous Questions Worksheet A
CBSE Class 11 Photoelectric Effect Worksheet A
CBSE Class 11 Preparation of Benzene Worksheet A
CBSE Class 11 Properties of Benzene Worksheet A
CBSE Class 11 Resonance structure and Resonance effect Worksheet A
CBSE Class 11 Sigma and pi bond Worksheet A
~ Class 11 Chemistry (Old Chapters)
CBSE Class 11 Atmospheric Pollution Worksheet A
CBSE Class 11 Behaviour of Real Gases Worksheet A
CBSE Class 11 Chemistry Environmental Chemistry Worksheet
CBSE Class 11 Chemistry Environmental Chemistry Worksheet Set A
CBSE Class 11 Chemistry Environmental Chemistry Worksheet Set B
CBSE Class 11 Chemistry Environmental Worksheet
CBSE Class 11 Chemistry Hydrogen Worksheet Set A
CBSE Class 11 Chemistry Hydrogen Worksheet Set A
CBSE Class 11 Chemistry Hydrogen Worksheet Set B
CBSE Class 11 Chemistry Hydrogen Worksheet Set B
CBSE Class 11 Chemistry P-Block Elements Worksheet Set A
CBSE Class 11 Chemistry P-Block Elements Worksheet Set B
CBSE Class 11 Chemistry P-Block Elements Worksheet Set C
CBSE Class 11 Chemistry P-Block Elements Worksheet Set C
CBSE Class 11 Chemistry S-Block Elements Worksheet Set A
CBSE Class 11 Chemistry S-Block Elements Worksheet Set B
CBSE Class 11 Chemistry States of Matter Worksheet Set A
CBSE Class 11 Chemistry States of Matter Worksheet Set A
CBSE Class 11 Chemistry States of Matter Worksheet Set B
CBSE Class 11 Chemistry The p-Block Elements Worksheet Set A
CBSE Class 11 Chemistry The s-Block Elements Worksheet Set A
CBSE Class 11 Chemistry The s-Block Elements Worksheet Set B
CBSE Class 11 General Characteristics of Compounds of the Alkaline Earth Metals Worksheet A
CBSE Class 11 General Characteristics of p-block elements Worksheet A
CBSE Class 11 General Characteristics of the Compounds of the alkali metals Worksheet A
CBSE Class 11 Group 1 Elements Alkali Metals Worksheet A
CBSE Class 11 Group 2 Alkaline Earth Metals Worksheet A
CBSE Class 11 Group 13 Elements The Boron Tamely Worksheet A
CBSE Class 11 Group 14 Elements The Carbon family Worksheet A
CBSE Class 11 Hydrides Worksheet A
CBSE Class 11 Hydrogen Peroxide Worksheet A
CBSE Class 11 Ideal Gas equation Worksheet A
CBSE Class 11 Important Compounds of Calcium Worksheet A
CBSE Class 11 Important Compounds of Carbon and Silicon Worksheet A
CBSE Class 11 Important trends and Anomalous Behaviour of Carbon Worksheet A
CBSE Class 11 Intermolecular forces Worksheet A
CBSE Class 11 Liquid state Worksheet A
CBSE Class 11 Matter and its Classification Worksheet A
CBSE Class 11 Properties of Dihydrogen Worksheet A
CBSE Class 11 Properties and Preparation of Hydrogen Worksheet A
CBSE Class 11 Some Important compounds of sodium Worksheet A
CBSE Class 11 The Gaseous State and The Gas Laws Worksheet A
CBSE Class 11 Water and Soil Pollution Worksheet A
CBSE Class 11 Water Worksheet A

Important Practice Resources for Class 11 Chemistry

Chapter 9 Hydrogen CBSE Class 11 Chemistry Worksheet

Students can use the Chapter 9 Hydrogen practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 11 Chemistry. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 9 Hydrogen

Our expert team has used the official NCERT book for Class 11 Chemistry to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Chemistry. You can get all this study material for free on studiestoday.com.

Extra Practice for Chemistry

To get the best results in Class 11, students should try the Chemistry MCQ Test for this chapter. We have also provided printable assignments for Class 11 Chemistry on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download latest CBSE Practice worksheets for Class 11 Chemistry Chapter 9 Hydrogen

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