Difficulty distribution
How the classified questions are distributed by difficulty.
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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 |
|---|---|---|---|
| TG EAPCET 2025 ONLINE 2ND MAY EVENING SHIFT | 2025 | 1 | View paper |
| TG EAPCET 2025 ONLINE 2ND MAY MORNING SHIFT | 2025 | 1 | View paper |
| TG EAPCET 2025 ONLINE 3RD MAY EVENING SHIFT | 2025 | 1 | View paper |
| TG EAPCET 2025 ONLINE 4TH MAY EVENING SHIFT | 2025 | 1 | View paper |
| TG EAPCET 2025 ONLINE 4TH MAY MORNING SHIFT | 2025 | 1 | View paper |
| TG EAPCET 2024 (Online) 9th May Morning Shift | 2024 | 1 | View paper |
| TG EAPCET 2024 ONLINE 10TH MAY EVENING SHIFT | 2024 | 1 | View paper |
| TG EAPCET 2024 ONLINE 10TH MAY MORNING SHIFT | 2024 | 1 | View paper |
| TG EAPCET 2024 ONLINE 11TH MAY MORNING SHIFT | 2024 | 1 | View paper |
| TG EAPCET 2024 ONLINE 9TH MAY EVENING SHIFT | 2024 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
Identify the correct statements from the following
I. Photochemical smog has high concentration of oxidising agents.
II. $\mathrm{NO}_2$ is present in classical smog.
III. Higher concentration of $\mathrm{SO}_2$ in air can cause stiffness of flower buds.
IV. pH of rain water is approximately 7.5 .
Among the following compounds, which one is not primarily responsible for depletion of ozone layer in stratosphere?
Which of the following is a lung irritant that can lead to an acute respiratory disease in children?
Observe the following statements
Statement I The carbon containing components of photochemical smog are acrolein, methanal and PAN. Statement II The number of greenhouse gases in the list given below is 5 .
$$\mathrm{CH}_4, \mathrm{CO}_2, \mathrm{NO}, \mathrm{H}_2 \mathrm{O}(l), \mathrm{H}_2 \mathrm{O}(g), \mathrm{O}_2, \mathrm{O}_3$$
The correct answer is
Which of the following is not the common component of photochemical smog?