Measuring pH (VCE SSCE Chemistry): Flashcards
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Practise the cards
10 cards from this deck
Indicators (definition)
Indicators (definition)
Weak acids with different colours in acids vs bases
Litmus colour in acids
Litmus colour in acids
Red
Litmus colour in bases
Litmus colour in bases
Blue
Bromothymol blue pH range
Bromothymol blue pH range
pH 6.0 to 7.6
Phenolphthalein in acidic solutions
Phenolphthalein in acidic solutions
Colourless
Phenolphthalein in basic solutions
Phenolphthalein in basic solutions
Pink to magenta
Universal indicator composition
Universal indicator composition
Mixture of several indicators
pH meter accuracy
pH meter accuracy
0.01 pH units
Accuracy (measurement definition)
Accuracy (measurement definition)
Closeness of measurements to true value
Precision (measurement definition)
Precision (measurement definition)
Closeness of measurements to each other