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Testing the Acidity of Pools
Because most pools are kept in a pH range of 7.2-7.6, the pH test that uses phenol red as a reagent is particularly effective. Add the specified number of drops of liquid, to the water sample, and compare the resulting colour to the test-kit standard.
Wiki User
∙ 15y ago
Wiki User
∙ 7y agoThe color of a pH indicator is different in basic or acidic solutions.
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Why is a indicator's reaction in acids and bases a chemical change?
Indicates whether the substance is an acid or alkali.
A measure of acidity is called neutralization?
Acidity is measured by pH. Acids have a pH below 7.0 (pH of 7.0 being neutral). The lower the pH, the more acidic the substance. When acids and bases are mixed, neutralization occurs.
What does PH scale describes?
The PH scale is the measurement of acids and bases. 8 and up are bases. 6 and lower are acids. 7 is neutral.
Do both acids and bases have a pH higher than 7?
yes because acids are corrosive
How does it change the pH of strong acids bases?
The concentration of ions H+ or OH- is important for the value of pH.
How does a pH indicator separate acids from bases?
it seperate acids from bases on the basis of power of hydrogen
Can an indicator provide an exact pH?
An indicator can provide exact pH if you are using the neutralization titration. Paper strip pH indicator are not an exact measurement but a high, medium, and low indication of acids and bases.
Is pH an indicator of acids and bases?
yes, the pH above 7 is basic and below 7 is acidic. Neutral pH id 7.
How do you test of acids an bases?
using an universal indicator, or you can use litmus paper or a pH meter.
Why is a indicator's reaction in acids and bases a chemical change?
Indicates whether the substance is an acid or alkali.
Is it false that Indicator paper is used to identify acids and bases?
A pH indicator paper can be used to tell if a solution is acidic or basic and the rough pH range can be known
How are the strengths of acids and bases measured?
On a scale of 1-14 measuring the concentrations of Ph and POh.
How can you tell acids from bases?
Acids have a lower PH and bases have a higher PH.
A measure of acidity is called neutralization?
Acidity is measured by pH. Acids have a pH below 7.0 (pH of 7.0 being neutral). The lower the pH, the more acidic the substance. When acids and bases are mixed, neutralization occurs.
Is methyl orange an indicator?
Phenolphtalein remains colourless in acids, but turns pink in bases Methyl Orange indicator turns pink in acids and yellow in bases Acids turn litmus paper red bases turn litmus paper blue irrespective of which colour litmus paper is used
What is the lowest pH to the highest pH?
Lowest pH, strong acids, then weak acids, then salts of strong acids and strong bases, then salts of weak acids and strong bases, then weak bases, then strong bases. All very confusing!
What is the purpose of bromothymel blue?
Bromothymol blue, also known as bromothymol sulfone phthalein, is a pH indicator for weak acids and bases. It changes color when the pH changes.
