Filtration, crystallisation and chromatography (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of processes are used to separate mixtures?
What type of processes are used to separate mixtures?
Physical processes
What does filtration separate from liquids?
What does filtration separate from liquids?
Insoluble solids
What is the liquid called that passes through the filter paper?
What is the liquid called that passes through the filter paper?
The filtrate
Which piece of equipment catches the liquid during filtration?
Which piece of equipment catches the liquid during filtration?
Flask
What does crystallisation produce from a solution?
What does crystallisation produce from a solution?
Pure solid crystals
How does crystallisation work?
How does crystallisation work?
By removing water
What equipment is needed to heat the solution during crystallisation?
What equipment is needed to heat the solution during crystallisation?
Evaporating basin
Why must you use pencil to draw the starting line in chromatography?
Why must you use pencil to draw the starting line in chromatography?
Pen ink would dissolve in solvent
Where should the solvent level be in relation to the pencil line?
Where should the solvent level be in relation to the pencil line?
Below the pencil line
Why do substances separate in chromatography?
Why do substances separate in chromatography?
They travel different distances
Why does filtration work?
Why does filtration work?
Particles too big for filter paper
Why does crystallisation work?
Why does crystallisation work?
Solids become less soluble as water evaporates