Describe how phytomining is used to extract copper.
From Paper 1, Higher
82 marks
Explain why a catalyst does not change the position of equilibrium.
From Paper 1, Higher
161 mark
Which metal is most reactive?
From Paper 1, Higher
243 marks
Explain what is meant by oxidation and reduction in terms of electrons.
From Paper 1, Higher
323 marks
Explain why gold is found as the native metal but iron is found as an ore.
Score 0 / 12 · 0 of 5 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Chemistry exam. It is not a past paper and is not produced or endorsed by the exam board.