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Titrations (chemistry Only) (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'Titrations (chemistry Only)' from the broader topic Chemical Changes. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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During an acid–base titration the indicator changes colour at the end-point. Which statement best describes the end-point?
If a burette has a zero error where the initial level is 0.10 cm3 below the true zero, how should the recorded titration volume be corrected?
A student obtains titration readings of 23.50, 23.55 and 23.60 cm3 for concordant titres. Which value should be used as the titre in calculations?
Which calculation step is correct to find concentration (mol/dm3) of an acid when moles of acid and volume in cm3 are known?
To reduce random error in titration timings and mixing, the best practice is to:
Which procedure increases accuracy when preparing a standard solution by weighing a solid?
Which piece of apparatus is used to deliver a very accurate fixed volume of solution to the titration flask before titration?
Which of the following would give the most precise titration results?
In a titration calculation you find the moles of titrant used and want moles of analyte. Which information must you use next?
A student titrates 25.00 cm3 of hydrochloric acid with 0.100 mol/dm3 sodium hydroxide and uses 20.00 cm3 of the base to reach the end-point. What is the concentration of the hydrochloric acid in mol/dm3?
In a titration, why is it important to invert the volumetric flask several times after making up to the mark?
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