Explain how iron is extracted from iron(III) oxide in a blast furnace and why carbon can be used.
From Chemistry 1, Higher
83 marks
Explain what is meant by dynamic equilibrium.
From Chemistry 1, Higher
153 marks
Explain why aluminium is extracted by electrolysis rather than reduction with carbon.
From Chemistry 1, Higher
164 marks
N₂ + 3H₂ ⇌ 2NH₃ (forward reaction exothermic). Explain the effect on the yield of ammonia of increasing pressure and increasing temperature.
Score 0 / 14 · 0 of 4 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.