Strong & Weak Acids (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What determines whether an acid is classified as strong or weak?
What determines whether an acid is classified as strong or weak?
The extent of dissociation in water
How do strong acids behave when dissolved in water?
How do strong acids behave when dissolved in water?
They completely dissociate
Which of these is an example of a strong acid?
Which of these is an example of a strong acid?
Hydrochloric acid
What is the concentration of ions in strong acid solutions?
What is the concentration of ions in strong acid solutions?
High
What pH do strong acids have?
What pH do strong acids have?
Low pH
How do weak acids dissociate in water?
How do weak acids dissociate in water?
Only partially
In weak acids, where does the equilibrium position lie?
In weak acids, where does the equilibrium position lie?
Far to the left
Which is an example of a weak acid?
Which is an example of a weak acid?
Ethanoic acid
Is the dissociation of weak acids reversible or irreversible?
Is the dissociation of weak acids reversible or irreversible?
Reversible
By how much does pH decrease for a tenfold increase in concentration?
By how much does pH decrease for a tenfold increase in concentration?
1 unit
If pH increases from 1 to 3, by what factor does concentration decrease?
If pH increases from 1 to 3, by what factor does concentration decrease?
100
What does the strength of an acid refer to?
What does the strength of an acid refer to?
Its ability to dissociate in water