OCR GCSE Combined Science A (Gateway) Chemistry Paper 9 Higher November 2021 mark scheme J250/09
Practise the past exam questions by topic
Electronic structure18 Qs
Chemical bonds26 Qs
Subatomic particles26 Qs
Chromatography11 Qs
Strong & weak acids5 Qs
Amounts of substance in equations6 Qs
Oxidation & reduction in terms of electrons21 Qs
PH scale & neutralisation16 Qs
Relative formula mass17 Qs
Exothermic & endothermic reactions9 Qs
Ionic bonding & ionic compounds10 Qs
Development of the model of the atom5 Qs
Bonding, structure & the properties of matter12 Qs
Formulations6 Qs
Diamond, graphite, graphene & fullerenes8 Qs
Bond energy calculations5 Qs
Reaction profiles10 Qs
Limiting reactants6 Qs
Moles & amount of substance13 Qs
+15 more
16 questions
- Q1 - 1 mark - Electronic structure
- Q2 - 1 mark - Chemical bonds
- Q3 - 1 mark - Subatomic particles
- Q4 - 1 mark - Subatomic particles
- Q5 - 1 mark - Chromatography
- Q6 - 1 mark - Strong and weak acids
- Q7 - 1 mark - Amounts of substance in equations
- Q8 - 1 mark - Oxidation and reduction in terms of electrons
- Q9 - 1 mark - The pH scale and neutralisation
- Q10 - 1 mark - Relative formula mass
- Q11 - 12 marks - Exothermic and endothermic reactions, Ionic bonding and ionic compounds
- Q12 - 4 marks - Subatomic particles, The development of the model of the atom
- Q13 - 11 marks - Bonding, structure and the properties of matter, Formulations
- Q14 - 6 marks - Diamond, graphite, graphene and fullerenes
- Q15 - 10 marks - Bond energy calculations, Chemical bonds, Reaction profiles
- Q16 - 7 marks - Limiting reactants, Moles and amount of substance
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