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no it is more than 4
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What is the pH value of universal indicator?
Universal indicator is a mixture of several different indicators that change color over a wide pH range. The colors correspond to different pH values within the range of 0 to 14.
What is the difference between an indicator and a universal indicator?
An indicator is a substance that changes color in response to changes in pH, indicating the acidity or alkalinity of a solution. A universal indicator is a mixture of indicators that can show a range of pH levels by changing color, making it more versatile than a single indicator.
Why is the universal indicator better than other indicators?
Because universal shows how strong or weak a substance is. Litmus just shows if its Alkaline or Acid. ps a 12 yr old wrote this.
What if you test soda lime with a universal indicator would it register a pH above or below 7?
Soda lime should register a pH above 7 when tested with a universal indicator. Soda lime is a mixture of chemicals including calcium hydroxide, which is a strong base. Universal indicators change color in the presence of different pH levels, with colors shifting towards blue for bases.
When you put an alkali and Universal Indicator in a test tube what colour does it go?
When an alkali is added to a test tube containing Universal Indicator, it typically turns the indicator solution a dark green or blue color. This is because Universal Indicator is a mixture of different pH indicators that show a range of colors from red (acidic) to green (neutral) to blue or purple (alkaline). The specific color change observed may vary depending on the concentration and type of alkali used.
Universal indicator is a mixture of what?
Universal indicators can be mixed with different substances. Universal indicators usually contain water, salt, propan-1-ol, sodium hydroxide, monosodium, phenolphthalein sodium salt, methyl red, bromothymol blue, and thymol blue monosodium salt
When you put an alkali and Universal Indicator in a test tube what colour does it go?
When an alkali is added to a test tube containing Universal Indicator, it typically turns the indicator solution a dark green or blue color. This is because Universal Indicator is a mixture of different pH indicators that show a range of colors from red (acidic) to green (neutral) to blue or purple (alkaline). The specific color change observed may vary depending on the concentration and type of alkali used.
Why was universal indicator paper used to test the pH rather than placing universal indicator solution into the mixture?
Use of paper avoid the contamination of the sample.
Is universal indicator paper the same as blue litmus paper?
No totally different, universal indicator is a mixture of chemical which shows the precise p.H of a substance, blue litmus paper reveals whether the substance is acidic or alkaline.
What is the purpose of using universal indicator in titration?
Universal indicator is used in titration to indicate the pH of a solution being titrated. It changes color in response to changes in the pH of the solution, helping the observer to determine the endpoint of the titration when the reaction is complete. This allows for a more precise determination of the amount of titrant required to reach the endpoint.
3 How is the Universal indicator color chart used to measure acidity?
The Universal indicator color chart is used to determine the pH of a solution by matching the color of the indicator in the solution to the corresponding color on the chart. Each color corresponds to a specific pH range, allowing for a qualitative assessment of the acidity or alkalinity of the solution.
How a mixture of methyl orange litmus and phenolphthalein could be used as a type of universal indicator?
A mixture of methyl orange, litmus, and phenolphthalein can be used as a universal indicator because each indicator covers a different pH range. Methyl orange turns red in acidic solutions, litmus turns red in acidic solutions and blue in basic solutions, and phenolphthalein turns pink in basic solutions. By observing the color change of the mixture, you can determine the approximate pH of the solution being tested.
How are universal indicators useful to scientist?
Universal indicators are useful to scientists because they can quickly determine the pH of a solution by observing a color change. This helps in identifying whether a solution is acidic, neutral, or basic without the need for a pH meter. They can be especially helpful in qualitative analysis and in quick assessment of the acidity or alkalinity of a solution.
What colour would a neutral soloution become if universal indicator was added to it?
I don't know what you mean by "universal indicator". That's a generic term for a mixture of indicators that displays distinct colors over a fairly broad pH range, but without knowing which specific one you're using it's difficult to say. However, a lot of them are minor variations on Yamada's 1923 patent, so I'd expect that it would probably be somewhere in the greenish part of the spectrum. Exactly where depends on the particular ratios of the various indicator compounds used.
What is the material used to remove an indicator from a neutralized solution how does this work?
it is universal indicator with mixture of alkali
What acid is universal indicator goes red?
Hi, just looked this up, here's something to show you how universal indicators work:Universal indicator and the pH scaleUniversal indicator is a mixture of several different indicators. Unlike litmus, universal indicator can show us exactly how strongly acidic or alkaline a solution is. This is measured using the pH scale. The pH scale runs from pH 0 to pH 14.Universal indicator has many different colour changes, from red for strong acids to dark purple for strong bases. In the middle, neutral pH 7 is indicated by green.Universal indicator shows how acidic or alkaline a solution isThese are the important points about the pH scale:neutral solutions are pH 7 exactlyacidic solutions have pH values less than 7alkaline solutions have pH values more than 7the closer to pH 0 you go, the more strongly acidic a solution isthe closer to pH 14 you go, the more strongly alkaline a solution is
What is universal indicator?
It is a substance used to determine the strengths of acids and alkali.It changes color according to the pH of the material its in. It is so useful because the color also tells you how strong the substance is. As an example, if you were to put a few drops of the indicator in water it would go green. A few drops of it in cleaning products and it would go a deep purple.A universal indicator can give various colors to a huge variety of pH ranges.
