AQA GCSE Chemistry contents

Unit 4 · Chemical Changes

Required Practical 1: Making a Pure, Dry Salt

2 min read · part of the full Exam Guide

What you are finding out

  • How to make a pure, dry sample of a soluble salt from an insoluble oxide or carbonate and a dilute acid. The standard example is copper sulfate from copper oxide and sulfuric acid

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In the full topic

  • What you are finding out
  • The method, in order
  • Why each step matters
  • Safety and errors
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