Edexcel IGCSE Chemistry Chemistry Paper 2 June 2025 mark scheme 4CH1/2CR
Practise the past exam questions by topic
Atmospheric pollutants24 Qs
Greenhouse gases & climate change9 Qs
Group 0: the noble gases14 Qs
Tests for gases29 Qs
Composition & evolution of the atmosphere18 Qs
Crude oil, hydrocarbons & alkanes19 Qs
Fractional distillation & petrochemicals18 Qs
Organic chemistry25 Qs
Mixtures & separation techniques25 Qs
Oxidation & reduction in terms of electrons36 Qs
Relative formula mass18 Qs
Solubility & solubility curves8 Qs
Conservation of mass & balanced equations76 Qs
Group 1: the alkali metals16 Qs
Volumes of gases21 Qs
Ionic bonding & ionic compounds36 Qs
Metallic bonding6 Qs
Properties of ionic compounds16 Qs
Properties of metals & alloys16 Qs
Using electrolysis to extract metals6 Qs
Concentration of solutions22 Qs
Making soluble salts22 Qs
Percentage yield13 Qs
Titrations15 Qs
Bond energy calculations19 Qs
Carboxylic acids16 Qs
Esters20 Qs
Producing ethanol11 Qs
Reaction profiles16 Qs
+25 more
7 questions
- Q1 - 6 marks - Atmospheric pollutants, Greenhouse gases and climate change, Group 0: the noble gases, Tests for gases, The composition and evolution of the atmosphere
- Q2 - 5 marks - Crude oil, hydrocarbons and alkanes, Fractional distillation and petrochemicals, Organic chemistry
- Q3 - 7 marks - Mixtures and separation techniques, Oxidation and reduction in terms of electrons, Relative formula mass, Solubility and solubility curves, Tests for gases
- Q4 - 11 marks - Conservation of mass and balanced equations, Group 1: the alkali metals, Volumes of gases
- Q5 - 11 marks - Ionic bonding and ionic compounds, Metallic bonding, Properties of ionic compounds, Properties of metals and alloys, Using electrolysis to extract metals
- Q6 - 15 marks - Concentration of solutions, Conservation of mass and balanced equations, Making soluble salts, Percentage yield, Titrations
- Q7 - 15 marks - Bond energy calculations, Carboxylic acids, Esters, Producing ethanol, Reaction profiles
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