
Comparing concentration with strength
Quiz by Oak National Academy: GCSE Combined Science AQA Higher
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6 questions
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- Q1Match the following key terms to their definitions.Users link answersLinking30s
- Q2Which of the following statements about a strong acid in an aqueous solution is correct?It is completely ionised.It is partially ionised.It releases very few H⁺ ions.It has a pH above 7.30s
- Q3Why do strong acids have a lower pH than weak acids of the same concentration?they contain fewer H⁺ ionsthey absorb more waterthey ionise partiallythey contain more H⁺ ions30s
- Q4What happens to the pH of a solution if the hydrogen ion concentration increases by a factor of 10?the pH decreases by 1the pH increases by 10the pH increases by 1the pH decreases by 1030s
- Q5How can titration curves help chemists?they measure the temperature of a reactionthey help identify weak acidsthey allow chemists to pinpoint an accurate end pointthey show the colour change in the solution30s
- Q6What happens during the neutralisation of a weak acid?the pH changes quickly after the end point is reachedthe pH stays constant throughoutthe pH decreases rapidly at firstthe pH changes gradually at the start30s