Investigating osmosis (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does this osmosis practical investigate using potato tissue?
What does this osmosis practical investigate using potato tissue?
How sugar concentration affects mass
What accuracy should the balance have in this practical?
What accuracy should the balance have in this practical?
±0.01g
How long should each potato cylinder be cut?
How long should each potato cylinder be cut?
About 30mm
How full should each boiling tube be with sucrose solution?
How full should each boiling tube be with sucrose solution?
Two-thirds full
How long should potato cylinders be left in the solutions?
How long should potato cylinders be left in the solutions?
About 30 minutes
What is the formula for percentage change in mass?
What is the formula for percentage change in mass?
What does a positive percentage change in mass indicate?
What does a positive percentage change in mass indicate?
The mass increased
What happens to potato mass in distilled water?
What happens to potato mass in distilled water?
Gains mass
What happens to potato mass in strong sucrose solution?
What happens to potato mass in strong sucrose solution?
Loses mass
How does higher sugar concentration affect water concentration?
How does higher sugar concentration affect water concentration?
Lower water concentration
What does zero percentage change in mass indicate?
What does zero percentage change in mass indicate?
Concentration inside potato cells
Why calculate percentage change instead of just mass change?
Why calculate percentage change instead of just mass change?
To compare results properly