Edexcel GCSE Chemistry · 1CH0
Specification 4.12 · Paper 1
Revise: Evaluation of LCA DataIdentify the basis of comparison and check the units.
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GCSE Chemistry · key term
The common basis on which products are compared, such as one bag, one use or the entire working life of an appliance.
Used by Edexcel and OCR
Specification 4.12 · Paper 1
Revise: Evaluation of LCA DataIdentify the basis of comparison and check the units.
Specification C6.1l · Paper 2 (Foundation), Paper 4 (Higher)
The same amount of service provided by each product being compared, such as carrying the same number of shopping loads.
Revise: Life-Cycle Data InterpretationThe products need a common basis of comparison: for example, enough bags to carry 100 shopping loads. Check, too, that both assessments include the same stages. Leaving transport or disposal out of one product's figures could change the apparent result.
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