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The Ph Scale And Neutralisation (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'The Ph Scale And Neutralisation' from the broader topic Chemical Changes. The test is geared towards the AQA exam board style syllabus.
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During a titration the student obtains concordant burette readings 23.45, 23.55, 23.50 cm3 for the titrant. Which value is appropriate to use for calculations?
A student performs a titration and finds concentration of acid = 0.188 mol/dm3. Which change would reliably reduce random error in this value?
Universal indicator shows green in a solution. What is the best description of that solution?
What is observed when a universal indicator is added to a 0.01 mol/dm3 strong acid solution?
Which statement about neutralisation reactions is correct?
Which one best defines a “strong acid”?
Which statement about weak acids is correct?
A student neutralises 25.0 cm3 of 0.100 mol/dm3 HCl with 0.100 mol/dm3 NaOH. What volume of NaOH is required?
What is the [H+] (in mol/dm3) of a solution with pH 5?
Which salt is formed when ethanoic (acetic) acid reacts with sodium hydroxide?
Universal indicator is added to a solution and the paper turns deep red. Which statement is correct?