Your cart is empty.
Practice Chemical Technology - Chemical Engineering 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 Chemical Technology. 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.
Open a focused page built from the same verified paper data.
Explore previous-paper coverage, trends and focused practice for Petroleum Refining and Petrochemicals.
Explore previous-paper coverage, trends and focused practice for Inorganic Chemicals and Fertilizers.
Explore previous-paper coverage, trends and focused practice for Polymer Production.
Explore previous-paper coverage, trends and focused practice for Pulp, Paper, Sugar and Ethanol.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Chemical Engineering (CH) 2026 | 2026 | 3 | View paper |
| Chemical Engineering (CH) 2025 | 2025 | 3 | View paper |
| Chemical Engineering (CH) 2024 | 2024 | 3 | View paper |
| Chemical Engineering (CH) 2023 | 2023 | 4 | View paper |
| Chemical Engineering (CH) 2022 | 2022 | 4 | View paper |
| Chemical Engineering (CH) 2021 | 2021 | 2 | View paper |
| Chemical Engineering (CH) 2020 | 2020 | 3 | View paper |
| Chemical Engineering (CH) 2019 | 2019 | 5 | View paper |
| Chemical Engineering (CH) 2018 | 2018 | 4 | View paper |
| Chemical Engineering (CH) 2017 | 2017 | 4 | View paper |
| Chemical Engineering (CH) 2014 | 2014 | 3 | View paper |
| Chemical Engineering (CH) 2013 | 2013 | 2 | View paper |
| Chemical Engineering (CH) 2012 | 2012 | 5 | View paper |
| Chemical Engineering (CH) 2011 | 2011 | 6 | View paper |
| Chemical Engineering (CH) 2010 | 2010 | 4 | View paper |
| Chemical Engineering (CH) 2009 | 2009 | 4 | View paper |
| Chemical Engineering (CH) 2008 | 2008 | 1 | View paper |
| Chemical Engineering (CH) 2007 | 2007 | 2 | View paper |
A varied preview from the papers represented in this selection, with every available option.
In petroleum refining operations, the process used for converting paraffins and naphthenes to aromatics is
In the manufacture of caustic soda from brine, which ONE of the following statements is TRUE?
| GROUP I | GROUP II |
|---|---|
| P. Chain growth/addition polymerisation Q. Step growth/condensation polymerisation | I. Polyethylene II. Polyvinyl chloride III. Polyethylene terephthalate |