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Topic 3: Chemical changes
Quick questions on Preparing soluble and insoluble salts - Edexcel GCSE Chemistry
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Why is the insoluble base added in excess when preparing a soluble salt? [1 mark]
What is q2?Show answer
Why is the titration repeated without indicator before crystallising? [1 mark]
What is q3?Show answer
Describe how to obtain a pure dry sample of an insoluble salt after mixing the two solutions. [3 marks]
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