9.2a - Determination of pH (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the pH value that indicates neutral water?
What is the pH value that indicates neutral water?
7
What is the pH range on the pH scale?
What is the pH range on the pH scale?
0 to 14
How many drops of universal indicator are added to a water sample?
How many drops of universal indicator are added to a water sample?
2-3 drops
What must be done to a pH meter before use?
What must be done to a pH meter before use?
Calibrated using buffer solutions
Why must the pH probe be rinsed with distilled water between samples?
Why must the pH probe be rinsed with distilled water between samples?
To prevent contamination
Which water sample had the lowest pH value?
Which water sample had the lowest pH value?
Lake water
What causes high pH when water runs over limestone?
What causes high pH when water runs over limestone?
Dissolved
How can algae increase water pH?
How can algae increase water pH?
Consuming in photosynthesis
What can cause low pH in water samples?
What can cause low pH in water samples?
Decomposing organic material
What is the environmental impact of extreme pH values?
What is the environmental impact of extreme pH values?
Harms aquatic life