Measuring pH (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of substance are indicators?
What type of substance are indicators?
Weak acids
What colour does litmus turn in acidic solutions?
What colour does litmus turn in acidic solutions?
Red
What colour does red cabbage juice show at neutral pH 7?
What colour does red cabbage juice show at neutral pH 7?
Purple
What colour is bromothymol blue at pH 7.0?
What colour is bromothymol blue at pH 7.0?
Green
What pH range does methyl orange change colour over?
What pH range does methyl orange change colour over?
pH 3.1 to 4.4
What colour is phenolphthalein in acidic solutions?
What colour is phenolphthalein in acidic solutions?
Colourless
What is universal indicator made from?
What is universal indicator made from?
A mixture of several indicators
How accurate are pH meters?
How accurate are pH meters?
To 0.01 pH units
What colour are hydrangea flowers in acidic soil?
What colour are hydrangea flowers in acidic soil?
Blue
To what accuracy can red cabbage juice measure pH?
To what accuracy can red cabbage juice measure pH?
Within 2 pH units