Chemistry GCSE OCR - June 2018 - Paper 4

Topics Assessed in Paper 4H

Topic 4 - Predicting and Indentifying Reactions and Products
Topic 5 - Monitoring and Controlling Chemical Reactions 
Topic 6 - Global Challenges
Topic 7 - Practical Skills
Section A - Multiple choice questions (1-15)
Section B - Standard questions (16-22)

Mark Scheme

Questions By Topic

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Questions by Topic

Q16 Global Challenges

Keywords: life-cycle assessments, fractional distillation, crude oil, fuel cells.

Q17 Global Challenges

Keywords: alcohols, display formaula, functional group, ethanoic acid .

Q18 Monitoring & Controlling Chemical Reactions

Keywords: balancing equations, rate of reaction, collision theory, catalyst, activation energy.

Q19 Monitoring & Controlling Chemical Reactions

Keywords: reversible reaction, dynamic equilibrium.

Q20 Monitoring & Controlling Chemical Reactions

Keywords: titration, experiment, pH, calculating volume, calculating concentration.

Q21 Monitoring & Controlling Chemical Reactions

Keywords: calculating volume, calculating concentration, calculating moles, atom economy.

Q22 Global Challenges

Keywords: monomers, alkenes, general formula, display formula, polymers, addition polymerisation, condensation polymerisation, nylon, functional group, formula.

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