Skip to content

Course home

3.2 Methods of separating and purifying substances

3.2 Methods of separating and purifying substances

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
Question 37

A geologist recovers a solid concentrate containing gold, iron, and anhydrous iron(II) sulfate.

Gold does not react with dilute hydrochloric acid.

Suggest a method to obtain a pure, solid sample of gold from this concentrate.

[2]
Markscheme

3.2 Methods of separating and purifying substances Questions

  1. GCSE
  2. /Chemistry
  3. /3.2 Methods of separating and purifying substances

107 exam-style questions on Edexcel GCSE Chemistry 3.2 Methods of separating and purifying substances, covering 3.2.1 Pure substances and mixtures, 3.2.2 Techniques for separating mixtures, 3.2.3 Paper chromatography and Rf values, and 3.2.4 Making water potable. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank