OCR GCSE Combined Science A (Gateway) Chemistry Paper 4 Foundation June 2019 mark scheme J250/04
Practise the past exam questions by topic
Catalysts16 Qs
Greenhouse gases & climate change21 Qs
Composition & evolution of the atmosphere17 Qs
Reactivity of metals15 Qs
Periodic table45 Qs
Rate of reaction22 Qs
Using electrolysis to extract metals9 Qs
Factors affecting the rate of reaction11 Qs
Conservation of mass & balanced equations52 Qs
Tests for gases10 Qs
Atmospheric pollutants12 Qs
Dynamic equilibrium8 Qs
Relative formula mass17 Qs
Reversible reactions6 Qs
Crude oil, hydrocarbons & alkanes15 Qs
Oxidation & reduction in terms of electrons21 Qs
Fractional distillation & petrochemicals14 Qs
Reducing the use of resources6 Qs
Collision theory & activation energy8 Qs
Reactions of acids22 Qs
+16 more
16 questions
- Q1 - 1 mark - Catalysts
- Q2 - 1 mark - Greenhouse gases and climate change
- Q3 - 1 mark - The composition and evolution of the atmosphere
- Q4 - 1 mark - Reactivity of metals
- Q5 - 1 mark - The periodic table
- Q6 - 1 mark - Rate of reaction
- Q7 - 1 mark - Using electrolysis to extract metals
- Q8 - 1 mark - Reactivity of metals
- Q9 - 1 mark - The periodic table
- Q10 - 1 mark - Factors affecting the rate of reaction
- Q11 - 13 marks - Conservation of mass and balanced equations, Tests for gases, The periodic table
- Q12 - 10 marks - Atmospheric pollutants, Dynamic equilibrium, Relative formula mass, Reversible reactions
- Q13 - 9 marks - Conservation of mass and balanced equations, Crude oil, hydrocarbons and alkanes, Oxidation and reduction in terms of electrons
- Q14 - 6 marks - Fractional distillation and petrochemicals
- Q15 - 3 marks - Reducing the use of resources
- Q16 - 9 marks - Collision theory and activation energy, Reactions of acids
Your browser can't show this paper here.
Open the PDF