Environmental Chemistry JEE Main PYQs (2004–2023) with Solutions — Chemistry

Q01JEE Main 20199 Apr, Evening shiftEasyEnvironmental Chemistry92× since 2004

The layer of atmosphere between 10 km to 50 km above the sea level is called as :

Q02JEE Main 201910 Apr, Morning shiftEasyEnvironmental Chemistry92× since 2004

The regions of the atmosphere, where clouds form and where we live, respectively, are :

Q01JEE Main 20199 Apr, Evening shiftEasyEnvironmental Chemistry92× since 2004

The layer of atmosphere between 10 km to 50 km above the sea level is called as :

Q02JEE Main 201910 Apr, Morning shiftEasyEnvironmental Chemistry92× since 2004

The regions of the atmosphere, where clouds form and where we live, respectively, are :

Q03JEE Main 20208 Jan, Morning shiftEasyEnvironmental Chemistry92× since 2004

Among the gases (a) – (e), the gases that cause greenhouse effect are : (a) CO₂ (b) H₂O (c) CFCs (d) O₂ (e) O₃

Q04JEE Main 20204 Sep, Evening shiftEasyEnvironmental Chemistry92× since 2004

The processes of calcination and roasting in metallurgical industries, respectively, can Iead to :

Q05JEE Main 2017Session, Shift 1EasyEnvironmental Chemistry92× since 2004

A water sample has ppm level concentration of following anions F⁻ = 10;

SO_4^{2-}

= 100;

NO_3^-

= 50 The anion/anions that make/makes the water sample unsuitable for drinking is/are :

Q06JEE Main 201815 Apr, Evening shiftEasyEnvironmental Chemistry92× since 2004

Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct ?

Q07JEE Main 202329 Jan, Morning shiftEasyEnvironmental Chemistry92× since 2004

Correct statement about smog is :

Q08JEE Main 202127 Aug, Morning shiftEasyEnvironmental Chemistry92× since 2004

The gas 'A' is having very low reactivity reaches to stratosphere. It is non-toxic and non-flammable but dissociated by UV-radiations in stratosphere. The intermediates formed initially from the gas 'A' are :

Q09JEE Main 202127 Aug, Evening shiftEasyEnvironmental Chemistry92× since 2004

In stratosphere most of the ozone formation is assisted by :

Q10JEE Main 202227 Jul, Evening shiftMediumEnvironmental Chemistry92× since 2004

Given below are two statements: Statement I : The non bio-degradable fly ash and slag from steel industry can be used by cement industry. Statement II : The fuel obtained from plastic waste is lead free. In the light of the above statements, choose the most appropriate answer from the options given below :

Environmental Chemistry

Questions per year

92 questions in the bank

All 92 Environmental Chemistry questions by year

JEE Main 2023 19

Environmental Chemistry

Questions per year

92 questions in the bank

All 92 Environmental Chemistry questions by year

JEE Main 2023 19

JEE Main 2022 15

JEE Main 2021 22

JEE Main 2020 8

JEE Main 2019 19

JEE Main 2018 1

JEE Main 2017 3

JEE Main 2016 3

JEE Main 2008 1

JEE Main 2004 1