Mixtures (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a mixture?
What is a mixture?
Substances not chemically joined
What is a compound?
What is a compound?
Atoms of different elements joined
Which method separates an insoluble solid from a liquid?
Which method separates an insoluble solid from a liquid?
Filtration
What does 'insoluble' mean?
What does 'insoluble' mean?
Does not dissolve
Which method separates a soluble solid from a liquid?
Which method separates a soluble solid from a liquid?
Evaporation
In evaporation, what evaporates away?
In evaporation, what evaporates away?
The water
What can chromatography be used to separate?
What can chromatography be used to separate?
Mixtures of coloured compounds
Which of these is suitable for separation by chromatography?
Which of these is suitable for separation by chromatography?
Inks and dyes
If a compound moves 3 cm and the solvent moves 12 cm, what is the value?
If a compound moves 3 cm and the solvent moves 12 cm, what is the value?
What is true about the value of a compound?
What is true about the value of a compound?
Always the same if done the same way
At what temperature does pure water boil?
At what temperature does pure water boil?
What does 'miscible' mean?
What does 'miscible' mean?
Mix easily without separating