Required practical - Analysis and purification of water (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the aim of the distillation practical?
What is the aim of the distillation practical?
To obtain pure water from salt water
Which safety equipment must always be worn during this practical?
Which safety equipment must always be worn during this practical?
Eye protection
What happens to water when the salt water is heated during distillation?
What happens to water when the salt water is heated during distillation?
Water boils and turns into water vapour
What happens to salt during the distillation process?
What happens to salt during the distillation process?
Salt does not evaporate
Why are anti-bumping granules added to the flask?
Why are anti-bumping granules added to the flask?
To help water boil smoothly
What is the role of the Liebig condenser in distillation?
What is the role of the Liebig condenser in distillation?
Cools water vapour back into liquid
What temperature would a thermometer show during distillation?
What temperature would a thermometer show during distillation?
Where is the pure water collected after distillation?
Where is the pure water collected after distillation?
In the beaker
Where is sodium chloride found after distillation is complete?
Where is sodium chloride found after distillation is complete?
Left in the original flask
Why does distillation separate water from salt?
Why does distillation separate water from salt?
Water has a lower boiling point
What is the purpose of cold water flowing through the condenser?
What is the purpose of cold water flowing through the condenser?
To cool down the water vapour