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Practice Environmental Chemistry - Inorganic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Environmental Chemistry. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| NEET 2023 | 2023 | 1 | View paper |
| NEET 2023 MANIPUR | 2023 | 1 | View paper |
| NEET 2022 PHASE 2 | 2022 | 1 | View paper |
| NEET 2021 | 2021 | 1 | View paper |
| NEET 2019 | 2019 | 1 | View paper |
| AIIMS 2018 | 2018 | 1 | View paper |
| NEET 2018 | 2018 | 1 | View paper |
| NEET 2017 | 2017 | 1 | View paper |
| AIPMT 2014 | 2014 | 1 | View paper |
| NEET 2013 KARNATAKA | 2013 | 1 | View paper |
| AIPMT 2012 PRELIMS | 2012 | 1 | View paper |
| AIPMT 2011 PRELIMS | 2011 | 1 | View paper |
| AIPMT 2008 | 2008 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
| List-I | List-II | ||
|---|---|---|---|
| (a) | $$2S{O_2}(g) + {O_2}(g) \to 2S{O_3}(g)$$ | (i) | Acid rain |
| (b) | $$HOCl(g)\buildrel {hv} \over \longrightarrow \mathop O\limits^ \bullet H + \mathop C\limits^ \bullet l$$ |
(ii) | Smog |
| (c) | $$CaC{O_3} + {H_2}S{O_4} \to CaS{O_4} + {H_2}O + C{O_2}$$ | (iii) | Ozone depletion |
| (d) | $$N{O_2}(g)\buildrel {hv} \over \longrightarrow NO(g) + O(g)$$ |
(iv) | Tropospheric pollution |
Match List-I with List-II :
| List-I |
List-II |
||
|---|---|---|---|
| (a) | Biochemical oxygen demand | (i) | oxidising mixture |
| (b) | Photochemical smog | (ii) | polar stratospheric cloud |
| (c) | Classical smog | (iii) | organic matter in water |
| (d) | Ozone layer depletion | (iv) | reducing mixture |
Choose the correct answer from the options given below :
Given below are two statements:
Statement I : The nutrient deficient water bodies lead to eutrophication.
Statement II : Eutrophication leads to decrease in the level of oxygen in the water bodies.
In the light of the above statements, choose the correct answer from the options given below:
Which statement is not true about photochemical smog?
Assertion (A) : The pH of acid rain is less than 5.6.
Reason (R) : Carbon dioxide present in the atmosphere dissolves in rain water and becomes carbonic acid.