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Most acidic solutions and basic solutions are colourless and transparent. Therefore, you cannot tell the difference between an acid and a base by appearance alone. One safe way to determine wether something is an acid or a base is to use an indicator.
Wiki User
∙ 10y ago
Wiki User
∙ 13y agoIndicators are themselves weak acid or bases, wherein the color of the acid phase and the base phase are different. Adding acid pushes the indicator to base and vice versa (le Chatelier's principle) (Did I spell that right?).
Wiki User
∙ 13y agoBecause the pH level is the same as how basic or acidic a substance is.
Wiki User
∙ 12y agoIt is used in chemical analysis, for the quantitative analysis of metal cations.
Wiki User
∙ 11y agoit gives accurate reading
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How does the type of indicator affect the pH?
Each indicator has a specific change of color when the pH is changed.
What is the pH indicator used in the citrate test?
The indicator is bromothymol blue.
What is it called when a substance changes color in response to pH?
This is a pH indicator.
PH or acidity which is better indicator?
The acidity range is a part of the pH scale.
Could universal indicator be used to identify a liquid as being pure water?
A pH indicator is used only to measure the pH of the solution.
Why is universal indicator a valuable tool for measuring pH?
It is a simple and not expensive tool to measure pH.
Examples of plant indicators for measuring pH values?
a plant pH indicator is onion
What tool to use when measuring pH?
ph papers ++ More accurately, either pH papers with a colorimeter, or a pH meter that works on the conductivity of the fluid.
A scientist working in a lab wants to determine the precise pH of a solution what tool should the scientist use to measure?
A pH meter
Name the three most common ways of measuring pH?
least sensitive- universal indicator sensitive- litmus papermost sensitive- pH meter
What is more valuable to the human body acidic or alkaline?
Diet affects the pH of our blood.Our urine pH is an accurate indicator of our health.Acid-forming diets contribute to modern disease.
Why is a universal indicator more useful than litmus paper for measuring pH in some applications?
this is because it is more specific(Y):)
What are the advantages and disadvantages of measuring pH of lemon juice with litmus paper?
It can only see if it is acidic or not but not telling you how acidic it is unlike the universal indicator.
What fruit and vegetable can you use as a pH indicator?
cabbage juice is a natural pH indicator
What changes color on pH?
a pH indicator
How does the type of indicator affect the pH?
Each indicator has a specific change of color when the pH is changed.
What tool in chemistry should you use to measure acid?
A pH meter is an electronic device used for measuring the pH (acidity or alkalinity). In an emergency, acidified tap water can be used, but distilled or deionised.
