iodine...
You can use a blender or food processor to grind up red cabbage to make an indicator solution. Make sure to strain the mixture to separate the liquid from the solids. The liquid will then be ready to use as a pH indicator.
Use of paper avoid the contamination of the sample.
A pH indicator: the color is changed at the end of the reaction, when the solution become alkaline.
An indicator changes color at a specific pH range. To determine the endpoint of a neutralization reaction, an indicator that changes color near the neutral pH of 7 would be used. The reaction is stopped when the indicator changes color, indicating that the acid and base have been neutralized.
ferroin indicator
Ferroin indicator is used in the redox titration of Mohr's salt as it changes color when the Fe2+ ions are completely oxidized to Fe3+ ions. This color change helps in determining the end point of the titration, where all the Mohr's salt has been oxidized and no more Fe2+ ions are present.
Methyl red is an adequate indicator.
With indicator papers the pH of a liquid is evaluated. Also many indicator papers are used for testing chemicals.
to indicate what the chemical is.
As a temp. indicator in thermometers.
False
Indicator is a process which is used to find out the substanceis acid,base and salt. example: litmus paper and termuric both are natural indicator. example of artificial indicator: mithyl orange and phenolphtaceil
How do you use the "AV" indicator in the contact lens.
A good forex, or also known as FX indicator to use while in the market would be the FCCal indicator. From popular consumer reviews, it helps prevent trades during a news report.
Typically, 1-2 drops of phenolphthalein indicator are sufficient to use in an acid-base titration experiment. It is important not to use too much indicator, as it can affect the accuracy of the titration results.
iodine...