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Improving processes and products

Improving processes and products

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Question 5

The list shows part of the reactivity series of metals including carbon:

  • Potassium
  • Sodium
  • Calcium
  • Aluminium
  • Carbon
  • Zinc
  • Iron
  • Lead
  • Copper

Which row correctly describes how these metals are extracted from their ores?

A

Electrolysis: Potassium, Sodium, Iron | Heating with carbon: Calcium, Aluminium, Zinc

B

Electrolysis: Potassium, Calcium, Aluminium | Heating with carbon: Zinc, Iron, Lead

C

Electrolysis: Aluminium, Zinc, Lead | Heating with carbon: Potassium, Sodium, Calcium

D

Electrolysis: Sodium, Zinc, Copper | Heating with carbon: Potassium, Calcium, Iron

Markscheme

Improving processes and products Questions

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

81 exam-style questions on OCR GCSE Chemistry Improving processes and products. Each one has a worked solution and a mark scheme showing where the marks go.

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