Respuesta :
Answer:
they us the pH(potential Hydrogen) scale
Explanation:
Reds are strong acids
yellows are weak acids
green is neutral
blue is kinda basic
and purple is super basic
keep in mind, this is just the litmus paper scale
pH scale ranges from 0 (highly acidic) – 14 (highly alkaline). The pH of a neutral solution is 7. Acidic solution is represented by a value less than 7 on the pH scale.
What is pH scale?
pH, quantitative measure of the acidity or basicity of aqueous or other liquid solutions.
Scientists use something called the pH scale to measure how acidic or basic a liquid is.
Although there may be many types of ions in a solution, pH focuses on concentrations of hydrogen ions ([tex]H^+[/tex]) and hydroxide ions ([tex]OH^-[/tex]).
The scale measures values from 0 all the way up to 14. Distilled water is 7 (right in the middle).
pH scale ranges from 0 (highly acidic) – 14 (highly alkaline). The pH of a neutral solution is 7. Acidic solution is represented by a value less than 7 on the pH scale.
Learn more about pH scale here:
https://brainly.com/question/1433865
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