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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

In preparing crystals of copper(II) sulfate from copper(II) oxide and sulfuric acid, which observation indicates the reaction is complete (acid used up)?
Why is excess insoluble base used rather than excess acid when making a soluble salt by reacting an acid with an insoluble base?
A teacher asks which of these salts is soluble in water at room temperature. Which is correct?
Which of the following will usually increase the size of crystals obtained during crystallisation?
When preparing sodium chloride crystals by evaporating seawater, which step produces the pure crystalline salt?
Which description best explains why crystals are formed by cooling a warm saturated solution rather than by boiling away all the solvent?
When carrying out a titration to make a pure salt solution, which indicator colour change is commonly used for strong acid vs strong base titrations?
Which of these describes the correct sequence of steps to obtain dried crystals from a clear salt solution?
Which of the following is the best reason crystals are washed with a small amount of cold solvent (usually cold distilled water) after filtration?
A student obtains a maximum theoretical mass of salt of 12.5 g but actually produces 11.6 g. What is the percentage yield (to one decimal place)?
Why is it better to crystallise a salt from a warm concentrated solution rather than evaporating to dryness?