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6.1 Improving processes and products

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Question 11
F

The bar chart shows some life-cycle assessment data for a petrol car and an electric car. The values for the use stage are for one year of use.

image

Each car is used for the same whole number of years and is then disposed of.

What is the smallest number of years of use for which the electric car releases less carbon dioxide in total over its whole life cycle than the petrol car?

[1]
A

3 years

B

4 years

C

5 years

D

8 years

Markscheme

6.1 Improving processes and products Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Improving processes and products

61 exam-style questions on OCR GCSE Chemistry 6.1 Improving processes and products, covering 6.1.1 Extracting metals industrially and by electrolysis, 6.1.2 Life cycle assessment and recycling, 6.1.3 Biological methods of metal extraction, 6.1.4 The Haber process and the production of fertilisers, 6.1.5 Alloys and their uses, 6.1.6 Corrosion and its prevention, 6.1.7 Comparing and selecting materials, and 6.1.8 Industrial conditions, rate and position of equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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