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SingaporeChemistryQuick questions
Acids, Bases and Salts
Quick questions on Preparation of salts: N(A)-Level Chemistry
5short 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 are solubility rules?Show answer
You need a few rules to decide whether a salt is soluble:
What is preparing an insoluble salt by precipitation?Show answer
For an insoluble salt, mix two soluble solutions that together provide the right ions:
What is q1?Show answer
State whether each salt is soluble or insoluble: sodium chloride, silver chloride, potassium nitrate. [3 marks]
What is q2?Show answer
Explain why excess copper(II) oxide is added to sulfuric acid when preparing copper(II) sulfate. [2 marks]
What is q3?Show answer
Name the method used to prepare lead(II) iodide, an insoluble salt, and the type of reaction involved. [2 marks]
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