pptx, 5.91 MB
pptx, 5.91 MB

OCR Applied Science Level 3 - Module 21: Product Testing Techniques.

This PowerPoint presentation with worked examples and student activities covers: Topic 2.3 of Module 21: Product Testing Techniques.

2.3 Effectiveness of test

• Appropriate test method
• Data collection validity and reliability
• Consistent chemical composition
• Hazards and risks of use

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