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Chemistry A
Global challenges
OCR
J248
Global challenges
Explore the improvement of processes and products through scientific understanding.
Analyze the extraction of raw materials and their sustainable use.
Study organic chemistry as the basis of materials and life.
Interpret and interact with earth systems, including atmospheric history and climate change.
Improving processes and products
Explain metal extraction principles and biological extraction methods.
Evaluate trade-offs in industrial processes (e.g., Haber process).
Describe fertiliser production and importance.
Conduct life-cycle assessments and evaluate recycling.
Describe alloys, corrosion, and material properties.
23 Subtopics
1
Rate Calculation Arithmetic
Revise
2
Rate Graphs
Revise
3
Gradients as Rate
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4
Proportionality in Rates
Revise
5
Metal Extraction Principles
Revise
6
Electrolytic Extraction
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7
Biological Extraction Methods
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8
Industrial Trade-offs
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9
Reaction Condition Graphs
Revise
10
Industrial Conditions Justification
Revise
11
Haber Process Importance
Revise
12
Fertiliser Production Comparison
Revise
13
Agricultural Elements
Revise
14
Industrial Fertiliser Processes
Revise
15
Life-Cycle Assessment Principles
Revise
16
Life-Cycle Data Interpretation
Revise
17
Recycling Processes
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18
Recycling Factors
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19
Alloy Composition and Uses
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20
Corrosion Processes
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21
Corrosion Mitigation
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22
Comparing Material Properties
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23
Material Selection
Revise
Organic chemistry
Recognise functional groups and organic families (alkanes, alkenes, alcohols, carboxylic acids).
Draw structural formulae and predict reaction products.
Understand polymerisation (addition and condensation).
Describe the fractional distillation of crude oil and cracking.
Evaluate fuel cells.
18 Subtopics
1
Structural Representations
Revise
2
Functional Groups and Series
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3
Drawing Organic Structures
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4
Predicting Organic Reactions
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5
Addition Polymerisation
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6
Condensation Polymerisation
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7
Polymerisation Techniques
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8
Deducing Polymer Structures
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9
Natural Polymers
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10
Functional Group Generality
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11
Crude Oil Separation
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12
Distillation Mechanisms
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13
Alkane Series
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14
Crude Oil Importance
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15
Hydrocarbons Dependency
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16
Cracking
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17
Chemical Cells
Revise
18
Fuel Cell Evaluation
Revise
Interpreting and interacting with earth systems
Interpret data on the history of the atmosphere and climate change.
Understand the greenhouse effect and atmospheric pollutants.
Describe water purification methods.
9 Subtopics
1
Data Interpretation
Revise
2
Orders of Magnitude
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3
Atmospheric Formation
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4
Oxygen Development
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5
The Greenhouse Effect
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6
Anthropogenic Climate Change
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7
Climate Change Effects
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8
Atmospheric Pollutants
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9
Water Potability
Revise
