Edexcel IGCSE Chemistry Chemistry Paper 2 November 2020 mark scheme 4CH1/2CR
Practise the past exam questions by topic
Electronic structure15 Qs
Ionic bonding & ionic compounds36 Qs
Isotopes & relative atomic mass20 Qs
Subatomic particles20 Qs
Cracking & alkenes14 Qs
Fractional distillation & petrochemicals18 Qs
Properties of hydrocarbons12 Qs
Conservation of mass & balanced equations76 Qs
Group 1: the alkali metals16 Qs
Identification of ions24 Qs
Extraction of metals & reduction9 Qs
Half equations at electrodes16 Qs
Metallic bonding6 Qs
Oxidation & reduction in terms of electrons36 Qs
Properties of metals & alloys16 Qs
Using electrolysis to extract metals6 Qs
Concentration of solutions22 Qs
Making soluble salts22 Qs
PH scale & neutralisation26 Qs
Titrations15 Qs
Amounts of substance in equations29 Qs
Bond energy calculations19 Qs
Carboxylic acids16 Qs
Dynamic equilibrium11 Qs
Enthalpy changes16 Qs
Esters20 Qs
Oxidation of alcohols5 Qs
Volumes of gases21 Qs
+24 more
7 questions
- Q1 - 5 marks
- Q2 - 7 marks - Electronic structure, Ionic bonding and ionic compounds, Isotopes and relative atomic mass, Subatomic particles
- Q3 - 8 marks - Cracking and alkenes, Fractional distillation and petrochemicals, Properties of hydrocarbons
- Q4 - 11 marks - Conservation of mass and balanced equations, Group 1: the alkali metals, Identification of ions, Ionic bonding and ionic compounds
- Q5 - 10 marks - Extraction of metals and reduction, Half equations at electrodes, Metallic bonding, Oxidation and reduction in terms of electrons, Properties of metals and alloys, Using electrolysis to extract metals
- Q6 - 13 marks - Concentration of solutions, Making soluble salts, The pH scale and neutralisation, Titrations
- Q7 - 16 marks - Amounts of substance in equations, Bond energy calculations, Carboxylic acids, Dynamic equilibrium, Enthalpy changes, Esters, Oxidation of alcohols, Volumes of gases
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