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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Soluble Salts (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Soluble Salts' from the broader topic Chemical Changes. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which of the following is a safe practice when preparing and heating solutions to crystallise salts?
When preparing a soluble salt from an insoluble carbonate, what gas is evolved and how can you test for it?
Which method is best for preparing pure crystals of a soluble salt such as sodium sulfate from its aqueous solution?
When making zinc sulfate by reacting zinc metal with sulfuric acid, which observation indicates hydrogen gas is being produced?
Why is it better to crystallise a salt from a warm concentrated solution rather than evaporating to dryness?
What is the correct way to calculate percentage yield?
In preparing crystals of copper(II) sulfate from copper(II) oxide and sulfuric acid, which observation indicates the reaction is complete (acid used up)?
Which piece of equipment is most appropriate to warm a salt solution gently to form crystals?
Which statement about the solubility of salts is correct?
Which of the following is the best reason crystals are washed with a small amount of cold solvent (usually cold distilled water) after filtration?
Which observation shows that a metal carbonate is in excess when added to excess hydrochloric acid during salt preparation?