KCSE Chemistry Past Papers & Revision
Subject code 233. KCSE Chemistry is examined in 3 papers. Below are the past papers we have on file, the topics examiners test most, and tips to pick up easy marks.
Revise Chemistry with the AI tutorKCSE Chemistry papers
Chemistry Paper 3
Practical: titration, qualitative analysis and observation/inference.
Practise Paper 3 →KCSE Chemistry past papers by year
- KCSE 2024 Chemistry Paper 1Past paper + marking scheme
- KCSE 2024 Chemistry Paper 2Past paper + marking scheme
- KCSE 2024 Chemistry Paper 3Past paper + marking scheme
- KCSE 2023 Chemistry Paper 1Past paper + marking scheme
- KCSE 2023 Chemistry Paper 2Past paper + marking scheme
- KCSE 2023 Chemistry Paper 3Past paper
- KCSE 2022 Chemistry Paper 1Past paper
- KCSE 2022 Chemistry Paper 2Past paper
- KCSE 2022 Chemistry Paper 3Past paper
- KCSE 2021 Chemistry Paper 1Past paper + marking scheme
- KCSE 2021 Chemistry Paper 2Past paper + marking scheme
- KCSE 2021 Chemistry Paper 3Past paper + marking scheme
- KCSE 2020 Chemistry Paper 1Past paper + marking scheme
- KCSE 2020 Chemistry Paper 2Past paper + marking scheme
- KCSE 2020 Chemistry Paper 3Past paper + marking scheme
- KCSE 2019 Chemistry Paper 1Past paper + marking scheme
- KCSE 2019 Chemistry Paper 2Past paper
- KCSE 2019 Chemistry Paper 3Past paper
- KCSE 2018 Chemistry Paper 2Past paper
- KCSE 2018 Chemistry Paper 3Past paper
- KCSE 2017 Chemistry Paper 1Past paper + marking scheme
- KCSE 2017 Chemistry Paper 2Past paper + marking scheme
- KCSE 2017 Chemistry Paper 3Past paper + marking scheme
- KCSE 2016 Chemistry Paper 1Past paper
- KCSE 2016 Chemistry Paper 2Past paper + marking scheme
- KCSE 2015 Chemistry Paper 1Past paper
- KCSE 2015 Chemistry Paper 2Past paper
- KCSE 2015 Chemistry Paper 3Past paper
- KCSE 2014 Chemistry Paper 1Past paper + marking scheme
- KCSE 2014 Chemistry Paper 2Past paper + marking scheme
- KCSE 2014 Chemistry Paper 3Past paper + marking scheme
- KCSE 2013 Chemistry Paper 1Past paper + marking scheme
- KCSE 2013 Chemistry Paper 2Past paper + marking scheme
- KCSE 2013 Chemistry Paper 3Past paper
- KCSE 2012 Chemistry Paper 1Past paper + marking scheme
- KCSE 2012 Chemistry Paper 2Past paper + marking scheme
- KCSE 2012 Chemistry Paper 3Past paper + marking scheme
- KCSE 2011 Chemistry Paper 1Past paper + marking scheme
- KCSE 2011 Chemistry Paper 2Past paper + marking scheme
- KCSE 2011 Chemistry Paper 3Past paper + marking scheme
- KCSE 2010 Chemistry Paper 1Past paper
- KCSE 2010 Chemistry Paper 2Past paper
- KCSE 2008 Chemistry Paper 1Past paper + marking scheme
- KCSE 2008 Chemistry Paper 2Past paper + marking scheme
- KCSE 2008 Chemistry Paper 3Past paper + marking scheme
- KCSE 2006 Chemistry Paper 1Past paper + marking scheme
- KCSE 2006 Chemistry Paper 2Past paper + marking scheme
- KCSE 2005 Chemistry Paper 1Past paper + marking scheme
- KCSE 2005 Chemistry Paper 2Past paper + marking scheme
- KCSE 2004 Chemistry Paper 1Past paper + marking scheme
- KCSE 2004 Chemistry Paper 2Past paper + marking scheme
- KCSE 2003 Chemistry Paper 1Past paper + marking scheme
- KCSE 2003 Chemistry Paper 2Past paper + marking scheme
- KCSE 2002 Chemistry Paper 1Past paper + marking scheme
- KCSE 2002 Chemistry Paper 2Past paper
- KCSE 2001 Chemistry Paper 1Past paper + marking scheme
- KCSE 2001 Chemistry Paper 2Past paper + marking scheme
- KCSE 2000 Chemistry Paper 1Past paper + marking scheme
- KCSE 1999 Chemistry Paper 1Past paper
- KCSE 1999 Chemistry Paper 2Past paper
- KCSE 1998 Chemistry Paper 1Past paper + marking scheme
- KCSE 1998 Chemistry Paper 2Past paper + marking scheme
- KCSE 1997 Chemistry Paper 1Past paper + marking scheme
- KCSE 1997 Chemistry Paper 2Past paper + marking scheme
- KCSE 1996 Chemistry Paper 1Past paper + marking scheme
- KCSE 1996 Chemistry Paper 2Past paper + marking scheme
- KCSE 1995 Chemistry Paper 1Past paper
- KCSE 1995 Chemistry Paper 2Past paper + marking scheme
KCSE Chemistry topics to revise
Simple classification of substancesAcids, bases & indicatorsAir & combustionWater & hydrogenStructure of the atom & periodic tableChemical familiesStructure & bondingSaltsEffect of electric current on substancesCarbon & its compoundsThe moleGas lawsOrganic chemistry I & IINitrogen & its compoundsSulphur & its compoundsChlorine & its compoundsAcids, bases & saltsEnergy changesReaction rates & equilibriumElectrochemistryMetalsRadioactivity
Examiner tips for KCSE Chemistry
- Balanced equations with state symbols earn full marks; unbalanced ones often earn none.
- For Paper 3, write observations and inferences in matching pairs.
- Show units in every mole calculation.
KCSE Chemistry revision: common questions
Where can I get KCSE Chemistry past papers with marking schemes?+
On this page. Read the Chemistry papers free, and unlock the marking schemes plus AI marking from KES 199 a month.
How do I improve my KCSE Chemistry grade fast?+
Do one past paper under time every few days, get it marked, and spend the rest of your time on the topics where you lost marks. The AI tutor tracks this for you.
Can the AI explain Chemistry topics I don't understand?+
Yes. Tap any topic above and the tutor will teach it step by step, then test you with KCSE-style questions.