Practical: Preparation of a Soluble Salt | GCSE Chemistry
This required practical involves making a pure, dry sample of a soluble salt from an insoluble oxide.
Why is the copper oxide added in excess when making copper sulfate?
What is Practical: Preparation of a Soluble Salt | GCSE Chemistry?
"A laboratory procedure to produce a pure, dry sample of a salt from an acid and an insoluble base."
Which of these metals is the MOST reactive?
Zinc is extracted from its ore by heating with carbon. This is because...
Which of these metals will NOT react with dilute acid?
In electrolysis, where do the positive ions (cations) move to?
Salt Making Steps
Add insoluble base (oxide) to warm acid until no more reacts (excess).
Filter the mixture to remove the unreacted base.
Heat the solution in an evaporating basin until crystals start to form.
Leave to cool and crystallise, then pat dry.
Safety Check: Always warm the acid gently; do not boil it, as this can release dangerous fumes.
Want to improve faster?
The fastest way to improve your grade is to practise exam-style questions, identify your gaps, and focus only on what you don't know.