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Title: Indicators
Description: A PDF all about indicators and the different types of indicators
Description: A PDF all about indicators and the different types of indicators
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Indicators
Is it an acid or base?
What are Indicators?
● A substance that tells us if an item is
acidic or basic
...
● Many different types of indicators
...
● The pH scale ranges from 0 to 14, with 7 being neutral
...
Types of indicators
Litmus Paper: A solution applied to litmus paper will either keep the litmus the
same color or change it
...
Only to distinguish
between acid and base
Universal Indicator: mixture of indicators, often phenolphthalein methyl red and
bromothymol blue
...
Red indicates a strong acid, in
the range of pH 1 to 4, while a weak acid has an orange hue
...
Purple indicates a strong base, above pH 11, while
weak bases exhibit a bluish tint
Title: Indicators
Description: A PDF all about indicators and the different types of indicators
Description: A PDF all about indicators and the different types of indicators