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Phenolphtalein indicator is colorless in dilute acid solution and basic solutions will turn its color (puplish) red.

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Q: How do you determine if a substance is an acid or a base using phenolphtalein indicator?
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Continue Learning about Chemistry

What property of a substance can be determined using a pH indicator?

A pH indicator will test a substance to determine the alkali or acidity, with 7 being neutral on the pH scale.


Which property of a substance can be determined using a pH indicator?

Electrical Conductivity.


How do scientific tests help determine the properties of substance?

Scientific tests can help determine substances that appear similar but react differently under the same circumstances. By observing the reactions of the substance using an experiment, you can determine what that substance is made from.


What are the advantages and disadvantages of using a pH strips?

Advantages to using pH strips is that the user does not have to determine which indicator to use for a sample, they are inexpensive and it's a faster way to receive results than using indicators. Disadvantages to using pH strips is that the accuracy is lower and the solution should be only clear and colorless.


What properties of substances can you observe and how do these properties determine the usefulness or hazards of a substance?

You can observe physical, chemical, and characteristic properties of a substance and can be used to determine the usefulness of a substance by, giving us information about the substance usually using our 5 senses which are physical properties. Or being able to describe the substances ability to undergo changes to its composition to produce one or more new substances, chemical property. Or even just being able to identify whether or not the substance is pure or not can help us determine if the substance is hazardous or not. two other properties I did not mention were the qualitative and the quantitative properties.

Related questions

What property of a substance can be determined using a pH indicator?

A pH indicator will test a substance to determine the alkali or acidity, with 7 being neutral on the pH scale.


You can find the pH of a substance by using?

The pH of a substance can be found by using a litmus indicator.


Which property of a substance can be determined using a pH indicator?

Electrical Conductivity.


What substance can best be used to determine the relative acidity of a solution?

an indicator is capable of determining if a substance is basic or acidic or neutral. if you are just looking for if it is a basic or acidic. then you could you could use red litmus or blue litmus. if you are looking for the pH of a substance try using: red cabbage indicator phenolphthalein i hope i answered your question!


If Using density how dowe determine if a substance is pure or not?

If a substance is not pure, the density may, or may not, change, compared to the pure substance.


How do scientific tests help determine the properties of substance?

Scientific tests can help determine substances that appear similar but react differently under the same circumstances. By observing the reactions of the substance using an experiment, you can determine what that substance is made from.


What substance is used to determine the presence of an acid or base?

by using an indicator like litmus paper!!!


When using a water bath to determine the boiling point of a substance the substance's boiling point must be what?

Below 100 °C.


What are the advantages and disadvantages of using a pH strips?

Advantages to using pH strips is that the user does not have to determine which indicator to use for a sample, they are inexpensive and it's a faster way to receive results than using indicators. Disadvantages to using pH strips is that the accuracy is lower and the solution should be only clear and colorless.


What are some limitations of using heating to determine whether the substance is an element or a compound?

limitation of heating element


Scientists can determine the age of a substance using a method that compares the amounts of different forms of carbon atoms present in the substance Is this method more useful for organic substances?

The structure


When using an indicator is a chemical reaction occurring?

Yes, the indicator react with the solution.