Required Practical 1 - Performing an Acid-Base Titration (AQA A-Level Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the aim of an acid-base titration?
What is the aim of an acid-base titration?
To find unknown acid/alkali concentration
How is the endpoint of a titration identified?
How is the endpoint of a titration identified?
Colour change of indicator
Why is a white tile used in an acid-base titration?
Why is a white tile used in an acid-base titration?
To observe colour change
Which safety equipment must be worn when handling acids and alkalis in a titration?
Which safety equipment must be worn when handling acids and alkalis in a titration?
Goggles, gloves, lab coat
Why must the burette be rinsed with the solution it will contain?
Why must the burette be rinsed with the solution it will contain?
To avoid contamination
Where should the bottom of the meniscus be when filling the burette?
Where should the bottom of the meniscus be when filling the burette?
On the 0.00 mark
What colour change occurs with phenolphthalein at the endpoint?
What colour change occurs with phenolphthalein at the endpoint?
Colourless to pink
What defines concordant results in a titration?
What defines concordant results in a titration?
Within 0.10 of each other
To how many decimal places should titre volumes be recorded?
To how many decimal places should titre volumes be recorded?
2 decimal places
Why should not be left in the burette?
Why should not be left in the burette?
It causes damage, leading to errors