Environmental Chemistry — JEE Main PYQs & Practice Questions

Environmental Chemistry is a Chemistry chapter in the JEE Main syllabus. This page brings together 16 previous-year and practice questions on Environmental Chemistry, organised into 3 topics: Air Pollution, Water Pollution and Soil Pollution. Most questions come with a step-by-step solution you can work through free in PrepWiser.

Download Environmental Chemistry JEE Main PYQs as a free PDF (with answer key)

Chapter weightage: how many questions each chapter had per shift in the 2024–26 papers.

Air Pollution

• Sulphur dioxide is one of the components of polluted air. SO₂ is also a major…
• A. Ammonium salts produce haze in atmosphere. B. Ozone gets produced when atmospheric…
• The normal rain water is slightly acidic and its pH value is 5.6 because of which one of…
• Match List - I with List - II : List - I (compound) | List - II (effect/affected…

Water Pollution

• Match List I with List II: List I | List II; (A) | Sulphate | (I) | Pesticide; (B) |…
• The water having more dissolved O₂ is :
• In comparison to the zeolite process for the removal of permanent hardness, the…
• Which one of the following elemental forms is not present in the enamel of the teeth?
• The metal salts formed during softening of hardwater using Clark's method are :
• Which one of the following methods is most suitable for preparing deionized water?
• Given below are two statements : Statement I : Permutit process is more efficient…
• The one that is NOT suitable for the removal of permanent hardness of water is :
• Calgon is used for water treatment. Which of the following statement is NOT true about…
• Boiling of hard water is helpful in removing the temporary hardness by converting…

Soil Pollution

• Which amongst the following is not a pesticide?
• The group of chemicals used as pesticide is :

More Chemistry chapters

• Mole Concept & Stoichiometry
• Atomic Structure
• Gaseous State
• Chemical Thermodynamics
• Chemical Equilibrium
• Ionic Equilibrium
• Redox Reactions
• Solutions & Colligative Properties
• Electrochemistry
• Chemical Kinetics
• Solid State
• Surface Chemistry
• Nuclear & Radiochemistry
• Periodic Table & Periodicity
• Chemical Bonding & Molecular Structure
• Hydrogen & s-Block Elements
• p-Block Elements — Part I (Group 13 & 14)
• p-Block Elements — Part II (Group 15-18)
• d & f Block Elements
• Coordination Compounds
• Metallurgy
• Qualitative Analysis — Salt Analysis
• Purification & Characterisation of Organic Compounds
• General Organic Chemistry (GOC)
• Hydrocarbons — Alkanes
• Hydrocarbons — Alkenes & Alkynes
• Hydrocarbons — Aromatic (Arenes)
• Halogen Derivatives — Haloalkanes & Haloarenes
• Alcohols, Phenols & Ethers
• Aldehydes & Ketones
• Carboxylic Acids & Their Derivatives
• Amines & Diazonium Salts
• Carbohydrates & Biomolecules
• Polymers
• Chemistry in Everyday Life
• Practical Organic Chemistry

Frequently asked questions

How many Environmental Chemistry questions are there for JEE Main?

PrepWiser has 16 Environmental Chemistry questions for JEE Main, grouped into 3 topics such as Air Pollution, Water Pollution and Soil Pollution.

Are these Environmental Chemistry questions from previous-year JEE Main papers?

Yes — most are genuine previous-year questions from past JEE Main papers, and the rest are practice questions written to match the JEE Main pattern and difficulty.

Where can I see the answers and solutions to these Environmental Chemistry questions?

Open any Environmental Chemistry question in PrepWiser (it is free) to attempt it; most come with a step-by-step solution.