The analysis below of KCSE chemistry from the year 2010 to 2019 was possible because of sponsorship from a caring parent. The analysis contains the following information:
- KCSE questions
- Topic
- The form the topic is taught
You can access questions papers on the link below:
KCSE Chemistry
KCSE Chemistry Paper 1 2010 to 2019 Topical
| Qst | 2010 | 2011 | 2012 | 2013 | 2014 |
| 1 | Salts f2 | Organic chemistry ii-f4 | Carbon and its compounds f2 | Air and combustion-f1 | Introduction to chemistry f1 |
| 2 | Structure of an atom and the periodic table f2 | Radioactivity-f4 | Salts f2 | Salts-f2 | Chlorine and its compounds f3 |
| 3 | Structure of an atom and the periodic table f2 | Salts- f2 | Water and hydrogen f1 | Simple classification of substances-f1 | Nitrogen and its compounds f3 |
| 4 | Organic chem i f3 | Nitrogen and its compounds-f3 | Chemical families f2 | Structure and bonding f2 | Salts f2 |
| 5 | Classification of substances f1 | Periodic table-f2 | Classification of substances f1 | Salts f2 | Effect of electric current on substances f2 |
| 6 | Acids bases and salts f4 | Gas laws-f3 | Acids bases and salts f4 | Electrochemistry-f4 | Gas laws f3 |
| 7 | Electrochemistry f4 | Salts –f2 | Structure and bonding f2 | Organic chem i-f3 | Organic chemi f3 |
| 8 | Gas laws f3 | Acids,bases and salts-f4 | Mole f3 | Radioactivity f4 | Radioactivity f4 |
| 9 | Radioactivity f4 | Water and hydrogen- f1 | Radioactivity f4 | Chlorine and its compounds f3 | Organic chemii f4 |
| 10 | Energy changes in chemical and physical processes f4 | Chlorine and its cmds-f3 | Organic chemii f4 | Solubility of salts f4 | Metals f4 |
| 11 | Sulphur and its compounds f3 | Carbon and its compounds-f2 | Mole f3 | Energy changes f4 | Salts f2 |
| 12 | Energy changes in chemical and physical processes f4 | Water and hydrogen-f1 | Nitrogen and its compounds f3 | Sulphur and its compounds f3 | Acids, bases and salts f4 |
| 13 | Organic chem i and ii f3 and f4 | Salts –f2 | Rate of reaction f4 | Nitrogen and its compounds f3 | Mole f3 |
| 14 | Structure and bonding f2 | Organic chem ii-f4 | Chemical families f2 | Gas laws f3 | Energy changes f4 |
| 15 | Carbon and its compounds f2 | Organic chemii-f4 | Electrochemistry f4 | Simple classification of substances f1 | Nitrogen and its compounds f3 |
| 16 | Acids bases and salts f4 | Rate of reactions-f4 | Air and combustion f1 | Rate of reaction f4 | Air and combustion f1 |
| 17 | Mole f3 | Sulphur and its compounds-f3 | Rate of reaction f4 | Nitrogen and its compounds f3 | Rate of reaction f4 |
| 18 | Chlorine and its compounds f3 | Chlorine and its compounds-f3 | Sulphur and its compounds f3 | Organic chem i f3 | Periodic table f2 |
| 19 | Electrochemistry f4 | Mole-f3 | Water and hydrogen f1 | Carbon and its compounds f2 | Separation of substances f1 |
| 20 | Nitrogen and its compounds f3 | Acids bases and indicators-f1 | Organic chem i f3 | Chemical families f2 | Sulphur and its compounds f3 |
| 21 | Chlorine and its compounds f3 | Organic chem ii f4 | Salts f2 | Structure and bonding f2 | |
| 22 | Rate of reactions f4 | Metals f4 | Metals f4 | Simple classification of substances f1 | |
| 23 | Rate of reactions f4 | Mole f3 | Mole f3 | Organic chem ii f4 | |
| 24 | Salts f4 | Air and combustion f1 | Mole f4 | Electrochemistry f4 | |
| 25 | Organic chem ii f4 | Salt f2 | Chlorine and its compounds f3 | Mole f3 | |
| 26 | Air and combustion f1 | Organic chem ii f4 | Salts f2 | Organic chem ii f4 | |
| 27 | Chemical families f2 | Chemical families f2 | Reaction rates f4 | Simple classification of substances f1 | |
| 28 | Electrochemistry f4 | Effect of electric current on substances f2 | Nitrogen and its compounds f3 | ||
| 29 | Acids bases and salts f4 | Periodic table f2 | Periodic table f2 | ||
| 30 | Chemical families f2 |
| Qst | 2015 | 2016 | 2017 | 2018 | 2019 |
| 1 | Organic chemi f3 | Effect of electric current on substance f2 | Chemical families f1 | Acids bases and salts | Periodic table f2 |
| 2 | Metals f4 | Mole f3 | Radioactivity f4 | Salts f2 | Rate of reaction f4 |
| 3 | Energy changes f4 | Energy changes f4 | Electrochemistry f4 | Organic chem ii f4 | Metals f4 |
| 4 | Gas laws f3 | Water and hydrogen f1 | Mole f3 | Sulphur and its compounds f3 | Organic chem ii f4 |
| 5 | Mole f3 | Salts f2 | Organic chem i f3 | Chemical families f1 | Water and hydrogen f1 |
| 6 | Organic chem ii f4 | Structure and bonding f2 | Gas laws f3 | Gas laws f3 | Acids bases and indicatiors f1 |
| 7 | Chlorine and its compounds f3 | Mole f3 | Sulphur and its compounds f3 | Mole f3 | Mole f3 |
| 8 | Classification of substances f1 | Metals f4 | Reaction rate f4 | Salts f2 | Structure and bonding f2 |
| 9 | Water and hydrogen f1 | Chlorine and its compounds f3 | Acids bases and salts f4 | Simple classification of substances f1 | Sulphur and its compounds f3 |
| 10 | Periodic table f2 | Salts f2 | Mole f3 | Air and combustion f1 | Simple classification of substances f1 |
| 11 | Electrochemistry f4 | Radioactivity f4 | Electrochemistry f4 | Chemical families f2 | Organic chem i f3 |
| 12 | Rate of reaction f4 | Chlorine and its compounds f3 | Salts f2 | Organic chem i f3 | Chemical families f2 |
| 13 | Nitrogen and its compounds f3 | Organic chem ii f4 | Chlorine and its compounds f3 | Nitrogen and its compoundsf3 | Mole f3 |
| 14 | Chemical families f2 | Nitrogen and its compounds f3 | Air and combustion f1 | Chlorine and its compound f3 | Air and combustion f1 |
| 15 | Acids bases and indicators | Water and hydrogen f1 | Salts f2 | Salts f2 | Simple classification of substances f1 |
| 16 | Salts f2 | Electrochemistry f4 | Sulphur and its compounds f3 | Electrochemistry f4 | Acids bases and salts f4 |
| 17 | Sulphur and its compounds f3 | Acids bases and salts f4 | Nitrogen and its compounds f3 | Chemical families f2 | Energy changes f4 |
| 18 | Electrochemistry f4 | Air and combustion f1 | Nitrogen and its compounds f3 | Enthalpy changes f4 | Energy changes f4 |
| 19 | Radioactivity f4 | Rate of reactions f4 | Energy changes f4 | Radioactivity f4 | Electrochemistry f4 |
| 20 | Simple classification of substances f1 | Gas laws f3 | Organic chem ii f4 | Acids bases and salts f4 | Carbon and its compound f2 |
| 21 | Salts f2 | Organic chem i f3 | Structure and bonding f2 | Air and combustion f1 | Chemical families f2 |
| 22 | Organic chem ii f4 | Water and hydrogen f1 | Effect of electric current on substances f2 | Simple classification of substances f1 | Radioactivity f4 |
| 23 | Chemical families f2 | Acids bases and indicators f1 | Simple classification of substances f1 | Introduction to chemistry f1 | Periodic table f2 |
| 24 | Classification of substances f2 | Salts f2 | Chemical families f2 | Metals f4 | Salts f2 |
| 25 | Salts f2 | Carbon and its compounds f2 | Carbon and its compounds f2 | Acids bases and salts f4 | Salts f2 |
| 26 | Mole f3 | Sulphur and its compounds f3 | Chlorine and its compounds f3 | Acids bases and indicators f1 | Gas laws f3 |
| 27 | Carbon and its compounds f2 | Simple classification of substances f1 | Metals f4 | Mole f3 | Nitrogen and its compound f3 |
| 28 | Organic chemi f3 | Salts f2 | Organic chemii f4 | Mole f3 | Effect of electric current on substances f2 |
| 29 | Effect of electric current on substances f2 | Organic chem ii f4 | |||
| 30 |
KCSE Chemistry Paper 2 2010 to 2019 Topical
| Qst | 2010 | 2011 | 2012 | 2013 | 2014 |
| 1 | Electrochemistry f4 | Sulphur and its compounds f3 | Organic chem i and ii f3 and f4 | Chemical families f2 | Chlorine and its compounds f3 |
| 2 | Organic chem i f3 | Electrochemistry f4 | Chemical families f2 | Energy changes f4 | Chemical families f2 |
| 3 | Chemical families f2 | Rate of reactions f4 | Nitrogen and its compounds f3 | Sulphur and its compounds f3 | Organic chem ii f4 |
| 4 | Energy changes in chemical and physical processes f4 | Energy changes f4 | Rate of reaction f4 | Electrochemistry f4 | Rate of reaction f4 |
| 5 | Nitrogen and its compounds f3 | Electrochemistry f4 | Salts f2 | Salts f2 | |
| 6 | Metals f4 | Salts f2 | Radioactivity f4 | Metals f4 | |
| 7 | Rate of reactions f4 | Chlorine and its compound f3 | Organic chem ii f4 |
| Qst | 2015 | 2016 | 2017 | 2018 | 2019 |
| 1 | Carbon and its compounds f2 | Chemical families f2 | Organic chemii f4 | Organic chem ii f4 | Organic chem i f3 and organic chem ii f4 |
| 2 | Organic chem ii f4 | Nitrogen and its compounds f3 | Electrochemistry f4 | Chemical families f2 | Metals f4 |
| 3 | Salts and chemical families f2 | Rate of reactions f4 | Water and hydrogen f1 | Gas laws f3 and electrochemistry f4 | Nitrogen and its compounds f3 |
| 4 | Electrochemistry f4 | Metals and electrochemistry f4 | Acids bases and salts f4 | Salts f2 and chlorine and its compounds f3 | Acids bases and salts f4 |
| 5 | Sulphur and its compounds f3 | Metals f4 | Mole f3 | Chlorine and its compounds f3 | Energy changes f4 |
| 6 | Rate of reaction f4 | Organic chem i and ii f3 and f4 | Metals f4 | Carbon and its compounds f2 | Electrochemistry f4 |
| 7 | Air and combustion f1and organic chem ii f4 | Chemical families and structure and bonding f2 | Radioactivity f4 | Rate of reactions f4 |
KCSE Chemistry Paper 3 2010 to 2019 Topical
| Qst | 2010 | 2011 | 2012 | 2013 | 2014 |
| 1 | Mole f3 | Mole f3 | Mole f3 and rate of reactions f4 | Mole f3 | Mole f and reaction rates f4 |
| 2 | Acids base and salt 4 | Salts test for cations f3 | Acids bases and salts f4 | Salts test for metal ions f4 | Salts test for cations f4 |
| 3 | Organic chem 1 and 2 f3 and f4 | Qualitative analysis organic chem f3 and f4 functional groups | Organic chem i and ii f3 and f4 | Organic chem ii f4 test for functional groups | Organic chemistry f3 and f4 |
| Qst | 2015 | 2016 | 2017 | 2018 | 2019 |
| 1 | Solubility of salts f4 | Rate of reactions f4 | Energy changes f4 and mole f3 | Energy changes f4 and mole f3 | Rate of reaction f4 |
| 2 | Salts test for cations and anions f4 | Salts cation and anion test f4 | Test for cation and anion f4 | Salt test for cations and anions f4 | Salt test for cations and anions f4 |
| 3 | Organic chemistry f3 and f4 | Organic chem f3 and f4 test for functional groups | Organic chem f3 and f4 functional groups testing | Organic chem f3 and f4 | Organic chem f3 and f4 test for functional groups |