INChO Previous Year Papers
Every verified INChO paper on PYQSathi, newest first. All papers come from Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research or other official sources. Exam overview
| Exam paper | Year | Stage | Language | Type | Actions |
|---|---|---|---|---|---|
| INChO 2025 – Question Paper (English) Chemistry · 1.2 MB · Source: olympiads.hbcse.tifr.res.in | 2025 | Indian National Chemistry Olympiad (INChO) | English | Official Paper | |
| INChO 2025 – Question Paper (Hindi) Chemistry · 2.5 MB · Source: olympiads.hbcse.tifr.res.in | 2025 | Indian National Chemistry Olympiad (INChO) | Hindi | Official Paper | |
| INChO 2025 – Model Solutions Chemistry · 514 KB · Source: olympiads.hbcse.tifr.res.in | 2025 | Indian National Chemistry Olympiad (INChO) | English | Solution | |
| INChO 2024 – Question Paper (English) Chemistry · 3.8 MB · Source: olympiads.hbcse.tifr.res.in | 2024 | Indian National Chemistry Olympiad (INChO) | English | Official Paper | |
| INChO 2024 – Question Paper (Hindi) Chemistry · 6.3 MB · Source: olympiads.hbcse.tifr.res.in | 2024 | Indian National Chemistry Olympiad (INChO) | Hindi | Official Paper | |
| INChO 2024 – Model Solutions Chemistry · 748 KB · Source: olympiads.hbcse.tifr.res.in | 2024 | Indian National Chemistry Olympiad (INChO) | English | Solution | |
| INChO 2023 – Question Paper (English) Chemistry · 1.2 MB · Source: olympiads.hbcse.tifr.res.in | 2023 | Indian National Chemistry Olympiad (INChO) | English | Official Paper | |
| INChO 2023 – Question Paper (Hindi) Chemistry · 2.3 MB · Source: olympiads.hbcse.tifr.res.in | 2023 | Indian National Chemistry Olympiad (INChO) | Hindi | Official Paper | |
| INChO 2023 – Model Solutions Chemistry · 923 KB · Source: olympiads.hbcse.tifr.res.in | 2023 | Indian National Chemistry Olympiad (INChO) | English | Solution | |
| INChO 2022 – Question Paper (English) Chemistry · 1.4 MB · Source: olympiads.hbcse.tifr.res.in | 2022 | Indian National Chemistry Olympiad (INChO) | English | Official Paper |
- INChO 2025 – Question Paper (English)2025Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 1.2 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2025 – Question Paper (Hindi)2025Indian National Chemistry Olympiad (INChO)HindiOfficial Paper
Chemistry · 2.5 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2025 – Model Solutions2025Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 514 KB · Source: olympiads.hbcse.tifr.res.in
- INChO 2024 – Question Paper (English)2024Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 3.8 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2024 – Question Paper (Hindi)2024Indian National Chemistry Olympiad (INChO)HindiOfficial Paper
Chemistry · 6.3 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2024 – Model Solutions2024Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 748 KB · Source: olympiads.hbcse.tifr.res.in
- INChO 2023 – Question Paper (English)2023Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 1.2 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2023 – Question Paper (Hindi)2023Indian National Chemistry Olympiad (INChO)HindiOfficial Paper
Chemistry · 2.3 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2023 – Model Solutions2023Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 923 KB · Source: olympiads.hbcse.tifr.res.in
- INChO 2022 – Question Paper (English)2022Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 1.4 MB · Source: olympiads.hbcse.tifr.res.in
| Exam paper | Year | Stage | Language | Type | Actions |
|---|---|---|---|---|---|
| INChO 2022 – Model Solutions Chemistry · 616 KB · Source: olympiads.hbcse.tifr.res.in | 2022 | Indian National Chemistry Olympiad (INChO) | English | Solution | |
| INChO 2021 – Question Paper (English) Chemistry · 1.3 MB · Source: olympiads.hbcse.tifr.res.in | 2021 | Indian National Chemistry Olympiad (INChO) | English | Official Paper | |
| INChO 2021 – Question Paper (Hindi) Chemistry · 1.8 MB · Source: olympiads.hbcse.tifr.res.in | 2021 | Indian National Chemistry Olympiad (INChO) | Hindi | Official Paper | |
| INChO 2021 – Model Solutions Chemistry · 426 KB · Source: olympiads.hbcse.tifr.res.in | 2021 | Indian National Chemistry Olympiad (INChO) | English | Solution | |
| INChO 2020 – Question Paper (English) Chemistry · 3.6 MB · Source: olympiads.hbcse.tifr.res.in | 2020 | Indian National Chemistry Olympiad (INChO) | English | Official Paper | |
| INChO 2020 – Question Paper (Hindi) Chemistry · 1.5 MB · Source: olympiads.hbcse.tifr.res.in | 2020 | Indian National Chemistry Olympiad (INChO) | Hindi | Official Paper | |
| INChO 2020 – Model Solutions Chemistry · 756 KB · Source: olympiads.hbcse.tifr.res.in | 2020 | Indian National Chemistry Olympiad (INChO) | English | Solution | |
| INChO 2019 – Question Paper (English) Chemistry · 2.8 MB · Source: olympiads.hbcse.tifr.res.in | 2019 | Indian National Chemistry Olympiad (INChO) | English | Official Paper | |
| INChO 2019 – Question Paper (Hindi) Chemistry · 1.4 MB · Source: olympiads.hbcse.tifr.res.in | 2019 | Indian National Chemistry Olympiad (INChO) | Hindi | Official Paper | |
| INChO 2019 – Model Solutions Chemistry · 845 KB · Source: olympiads.hbcse.tifr.res.in | 2019 | Indian National Chemistry Olympiad (INChO) | English | Solution |
- INChO 2022 – Model Solutions2022Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 616 KB · Source: olympiads.hbcse.tifr.res.in
- INChO 2021 – Question Paper (English)2021Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 1.3 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2021 – Question Paper (Hindi)2021Indian National Chemistry Olympiad (INChO)HindiOfficial Paper
Chemistry · 1.8 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2021 – Model Solutions2021Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 426 KB · Source: olympiads.hbcse.tifr.res.in
- INChO 2020 – Question Paper (English)2020Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 3.6 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2020 – Question Paper (Hindi)2020Indian National Chemistry Olympiad (INChO)HindiOfficial Paper
Chemistry · 1.5 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2020 – Model Solutions2020Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 756 KB · Source: olympiads.hbcse.tifr.res.in
- INChO 2019 – Question Paper (English)2019Indian National Chemistry Olympiad (INChO)EnglishOfficial Paper
Chemistry · 2.8 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2019 – Question Paper (Hindi)2019Indian National Chemistry Olympiad (INChO)HindiOfficial Paper
Chemistry · 1.4 MB · Source: olympiads.hbcse.tifr.res.in
- INChO 2019 – Model Solutions2019Indian National Chemistry Olympiad (INChO)EnglishSolution
Chemistry · 845 KB · Source: olympiads.hbcse.tifr.res.in