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Created page with "==Key Stage 3== ===Meaning=== A '''pH Indicator''' is a dye which changes colour depending on the pH of its environment. ===About pH Indicators=== : The colour of..."
==Key Stage 3==
===Meaning===
A '''pH Indicator''' is a [[dye]] which changes colour depending on the [[pH]] of its environment.
===About pH Indicators===
: The [[colour]] of a '''pH indicator''' can be used to tell the [[pH]] of a [[solution]].
: Different '''indicators''' will have a different range of colours for different [[pH]] values.
: A good '''indicator''' can be added to [[solution]] without affecting the [[pH]] of the [[solution]]. If an '''indicator''' change the [[pH]] of a [[solution]] it could not give an [[accurate]] [[reading]].
Some '''pH indicators''' you should know:
*[[Litmus Paper]]
*[[Red Cabbage Indicator]]
*[[Universal Indicator]]
*[[Phenolphthalein]]
*[[Methyl Orange]]
*[[Bromothymol Blue]]
===Examples===
{| class="wikitable"
|+ These are the colour ranges of different '''indicator''' plants.
|-
|[[File:NaturalIndicators.png|center|600px]]
|-
|}
===Meaning===
A '''pH Indicator''' is a [[dye]] which changes colour depending on the [[pH]] of its environment.
===About pH Indicators===
: The [[colour]] of a '''pH indicator''' can be used to tell the [[pH]] of a [[solution]].
: Different '''indicators''' will have a different range of colours for different [[pH]] values.
: A good '''indicator''' can be added to [[solution]] without affecting the [[pH]] of the [[solution]]. If an '''indicator''' change the [[pH]] of a [[solution]] it could not give an [[accurate]] [[reading]].
Some '''pH indicators''' you should know:
*[[Litmus Paper]]
*[[Red Cabbage Indicator]]
*[[Universal Indicator]]
*[[Phenolphthalein]]
*[[Methyl Orange]]
*[[Bromothymol Blue]]
===Examples===
{| class="wikitable"
|+ These are the colour ranges of different '''indicator''' plants.
|-
|[[File:NaturalIndicators.png|center|600px]]
|-
|}