OCR GCSE Combined Science A (Gateway) Chemistry Paper 9 Higher June 2024 mark scheme J250/09
Practise the past exam questions by topic
Three states of matter46 Qs
Metals & non-metals9 Qs
Pure substances9 Qs
Conservation of mass & balanced equations52 Qs
Moles & amount of substance13 Qs
Reaction profiles10 Qs
Empirical formulae10 Qs
Chemical bonds26 Qs
Electronic structure18 Qs
Subatomic particles26 Qs
Bonding, structure & the properties of matter12 Qs
Electrolysis of aqueous solutions5 Qs
Reactions of acids22 Qs
Concentration of solutions5 Qs
Ionic bonding & ionic compounds10 Qs
Strong & weak acids5 Qs
Amounts of substance in equations6 Qs
Limiting reactants6 Qs
Development of the model of the atom5 Qs
+15 more
16 questions
- Q1 - 1 mark - The three states of matter
- Q2 - 1 mark - Metals and non-metals
- Q3 - 1 mark - Pure substances
- Q4 - 1 mark - The three states of matter
- Q5 - 1 mark
- Q6 - 1 mark
- Q7 - 1 mark - Conservation of mass and balanced equations
- Q8 - 1 mark - Moles and amount of substance
- Q9 - 1 mark - Reaction profiles
- Q10 - 1 mark - Empirical formulae
- Q11 - 12 marks - Chemical bonds, Conservation of mass and balanced equations, Electronic structure, Metals and non-metals, Subatomic particles
- Q12 - 8 marks - Bonding, structure and the properties of matter, Conservation of mass and balanced equations, Electrolysis of aqueous solutions, The three states of matter
- Q13 - 6 marks - Reactions of acids
- Q14 - 11 marks - Concentration of solutions, Ionic bonding and ionic compounds, Reactions of acids, Strong and weak acids
- Q15 - 8 marks - Amounts of substance in equations, Limiting reactants, Moles and amount of substance
- Q16 - 5 marks - Subatomic particles, The development of the model of the atom
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