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How indicators works?
pH indicators change their color according to the pH of a solution.
What is the chemical used to identify changes in pH?
They are called pH indicators.
What can indicators identify?
Indicators are used frequently for testing pH; but many other indicators exist for other compounds or ions.
What will change color in the presence of an acid or a base?
pH indicators change the color depending upon acidity or basicity.
What number range can you find an acid-in on the pH scale?
Acidic solutions have a pH under 7.
How indicators works?
pH indicators change their color according to the pH of a solution.
What kind of indicators are used in precipitation titration?
An example of an indicator would be Phenol Red, or Universal Indicator. Depending on the pH range of the indicator and the pH range of the substrates you would use the appropriate indicator.
What characteristics limit the usefulness of indicators?
Chemical indicators measure the pH directly Chemical indicators are highly expensive They must be chosen for a specific pH range Chemical indicators cannot determine the exact value of pH of the solution
How do use solutions to find the colors of the indicators?
Put the paper indicator of pH in the solution and compare the colors.
What is acid-base indicators?
These indicators change the color depending on the pH of the solution.
What is the chemical used to identify changes in pH?
They are called pH indicators.
What can indicators identify?
Indicators are used frequently for testing pH; but many other indicators exist for other compounds or ions.
Why doesn't turps react with pH indicators?
most pH indicators are polar, whereas turps is non-polar so it doesnt mix well
What will change color in the presence of an acid or a base?
pH indicators change the color depending upon acidity or basicity.
Examples of plant indicators for measuring pH values?
a plant pH indicator is onion
Where do you use pH indicators in real life?
checking the pH level in a chlorinated pool
What number range can you find an acid-in on the pH scale?
Acidic solutions have a pH under 7.
