Edexcel IGCSE Chemistry Chemistry Paper 2 January 2022 mark scheme 4CH1/2CR
Practise the past exam questions by topic
Atoms, elements & compounds18 Qs
Corrosion & its prevention13 Qs
Reactivity of metals17 Qs
Conservation of mass & balanced equations76 Qs
Cracking & alkenes14 Qs
Crude oil, hydrocarbons & alkanes19 Qs
Fractional distillation & petrochemicals18 Qs
Relative formula mass18 Qs
Concentration of solutions22 Qs
PH scale & neutralisation26 Qs
Titrations15 Qs
Carboxylic acids16 Qs
Esters20 Qs
Oxidation of alcohols5 Qs
Atmospheric pollutants24 Qs
Catalysts15 Qs
Moles & amount of substance28 Qs
Effect of changing conditions on equilibrium11 Qs
Volumes of gases21 Qs
Electrolysis17 Qs
Electrolysis of molten ionic compounds6 Qs
Half equations at electrodes16 Qs
Making soluble salts22 Qs
Oxidation & reduction in terms of electrons36 Qs
Bond energy calculations19 Qs
Exothermic & endothermic reactions11 Qs
Reaction profiles16 Qs
+23 more
7 questions
- Q1 - 5 marks - Atoms, elements and compounds, Corrosion and its prevention, Reactivity of metals
- Q2 - 10 marks - Conservation of mass and balanced equations, Cracking and alkenes, Crude oil, hydrocarbons and alkanes, Fractional distillation and petrochemicals, Relative formula mass
- Q3 - 11 marks - Concentration of solutions, The pH scale and neutralisation, Titrations
- Q4 - 8 marks - Carboxylic acids, Esters, Oxidation of alcohols
- Q5 - 12 marks - Atmospheric pollutants, Catalysts, Conservation of mass and balanced equations, Moles and amount of substance, The effect of changing conditions on equilibrium, Volumes of gases
- Q6 - 12 marks - Electrolysis, Electrolysis of molten ionic compounds, Half equations at electrodes, Making soluble salts, Oxidation and reduction in terms of electrons
- Q7 - 12 marks - Bond energy calculations, Exothermic and endothermic reactions, Reaction profiles
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