Edexcel IGCSE Chemistry Chemistry Paper 2 January 2020 mark scheme 4CH1/2CR
Practise the past exam questions by topic
Atoms, elements & compounds18 Qs
Periodic table17 Qs
Chromatography9 Qs
Mixtures & separation techniques25 Qs
Amounts of substance in equations29 Qs
Concentration of solutions22 Qs
Identification of ions24 Qs
Making soluble salts22 Qs
Electrolysis17 Qs
Electrolysis of molten ionic compounds6 Qs
Half equations at electrodes16 Qs
Oxidation & reduction in terms of electrons36 Qs
Properties of ionic compounds16 Qs
Properties of metals & alloys16 Qs
Group 1: the alkali metals16 Qs
Moles & amount of substance28 Qs
Tests for gases29 Qs
Volumes of gases21 Qs
Bond energy calculations19 Qs
Catalysts15 Qs
Collision theory & activation energy14 Qs
Factors affecting the rate of reaction16 Qs
Fractional distillation & petrochemicals18 Qs
Reaction profiles16 Qs
Carboxylic acids16 Qs
Conservation of mass & balanced equations76 Qs
Dynamic equilibrium11 Qs
Esters20 Qs
Percentage yield13 Qs
Producing ethanol11 Qs
Effect of changing conditions on equilibrium11 Qs
+27 more
7 questions
- Q1 - 6 marks - Atoms, elements and compounds, The periodic table
- Q2 - 9 marks - Chromatography, Mixtures and separation techniques
- Q3 - 6 marks - Amounts of substance in equations, Concentration of solutions, Identification of ions, Making soluble salts
- Q4 - 7 marks - Electrolysis, Electrolysis of molten ionic compounds, Half equations at electrodes, Oxidation and reduction in terms of electrons, Properties of ionic compounds, Properties of metals and alloys
- Q5 - 13 marks - Concentration of solutions, Group 1: the alkali metals, Moles and amount of substance, Tests for gases, Volumes of gases
- Q6 - 15 marks - Bond energy calculations, Catalysts, Collision theory and activation energy, Factors affecting the rate of reaction, Fractional distillation and petrochemicals, Reaction profiles
- Q7 - 14 marks - Carboxylic acids, Conservation of mass and balanced equations, Dynamic equilibrium, Esters, Percentage yield, Producing ethanol, The effect of changing conditions on equilibrium
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