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4.2 Reactions of acids

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Question 25
H

A student has a dilute solution of a strong acid and a concentrated solution of a weak acid.

Which statement about the two solutions is correct?

[1]
A

the weak acid always has the lower pH

B

the strong acid always has the lower pH

C

the weak acid always has the higher concentration of hydrogen ions

D

the strong acid is always completely ionised

Markscheme

4.2 Reactions of acids Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Reactions of acids

40 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1a Reactions of acids with metals, 4.2.1b Redox in acid-metal reactions, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5a Titrations, 4.2.5b Calculating quantities in titrations, and 4.2.6 Strong and weak acids. Each one has a worked solution and a mark scheme showing where the marks go.

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