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Chemistry
OCR GCSE Chemistry A
Global challenges
Improving processes and products

OCR GCSE Chemistry A · J248

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.

Subtopics

1
Rate Calculation Arithmetic
2
Rate Graphs
3
Gradients as Rate
4
Proportionality in Rates
5
Metal Extraction Principles
6
Electrolytic Extraction
7
Biological Extraction Methods
8
Industrial Trade-offs
9
Reaction Condition Graphs
10
Industrial Conditions Justification
11
Haber Process Importance
12
Fertiliser Production Comparison
13
Agricultural Elements
14
Industrial Fertiliser Processes
15
Life-Cycle Assessment Principles
16
Life-Cycle Data Interpretation
17
Recycling Processes
18
Recycling Factors
19
Alloy Composition and Uses
20
Corrosion Processes
21
Corrosion Mitigation
22
Comparing Material Properties
23
Material Selection

23 of 23 subtopics have revision notes available.

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