Filtration & Crystallisation (Edexcel GCSE Chemistry): Flashcards
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What does filtration separate?
What does filtration separate?
Insoluble solid from liquid
What is the purpose of filtration?
What is the purpose of filtration?
Purification; removes solid impurities from liquid
Give an example of filtration
Give an example of filtration
Sand from sand and water mixture
What does crystallisation separate?
What does crystallisation separate?
Soluble solid from solution
What is the purpose of crystallisation?
What is the purpose of crystallisation?
To obtain pure crystals of dissolved substance
Give an example of crystallisation
Give an example of crystallisation
Salt from saltwater
Describe the filtration method
Describe the filtration method
Pour through filter paper; solid stays, liquid passes through
Describe the crystallisation method
Describe the crystallisation method
Heat solution, form crystals, filter and dry crystals
What type of solid is separated by filtration?
What type of solid is separated by filtration?
Insoluble solid
What type of solid is separated by crystallisation?
What type of solid is separated by crystallisation?
Soluble solid