The pH scale (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the range of the pH scale?
What is the range of the pH scale?
0 to 14
What colour does the pH scale show for very acidic solutions (pH 0-3)?
What colour does the pH scale show for very acidic solutions (pH 0-3)?
Red/orange
Which pH value indicates an acidic solution?
Which pH value indicates an acidic solution?
pH < 7
What pH value indicates a neutral solution?
What pH value indicates a neutral solution?
pH = 7
Which pH value indicates an alkaline solution?
Which pH value indicates an alkaline solution?
pH > 7
What is the pH of pure water?
What is the pH of pure water?
pH = 7
Which ions do acids release when dissolved in water?
Which ions do acids release when dissolved in water?
ions
Which ions do alkalis contain?
Which ions do alkalis contain?
ions
What type of pH measurement does universal indicator provide?
What type of pH measurement does universal indicator provide?
Approximate pH value
What advantage does a pH probe have over universal indicator?
What advantage does a pH probe have over universal indicator?
It gives accurate pH readings
When should you use a pH probe instead of universal indicator?
When should you use a pH probe instead of universal indicator?
For precise measurements
What is always made when acids and alkalis react together?
What is always made when acids and alkalis react together?
Water