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6.1 Improving processes and products

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Question 22

A manufacturer has produced four designs for a stackable storage crate. Each crate holds the same volume.

The table shows data included in a life-cycle assessment of the designs.

MaterialMass of one crate (g)Energy needed to make the material (MJ/kg)
Aluminium1400150
Polypropylene320075
Plywood900010
Steel650032

Which crate needs the most energy to make its material?

[1]
A

Plywood

B

Steel

C

Aluminium

D

Polypropylene

Markscheme

6.1 Improving processes and products Questions

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

136 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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