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No, a pure substance would typically show only one spot in a chromatogram. This is because a pure substance consists of only one type of molecule, leading to a single unique retention factor (Rf value) during the separation process. If more than one spot is observed, it indicates the presence of impurities or a mixture of substances.

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2w ago

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Would a pure substance show more than one color or spot in a chromatogram. explain?

No, a pure substance would only show a single color or spot in a chromatogram because it consists of only one compound without any impurities. Each compound present in a sample will appear as a distinct spot with a unique color in the chromatogram.


How can you tell if a substance is pure or not?

You can tell if a substance is pure by using techniques like melting point determination or chromatography to compare against known pure samples. If the substance has a consistent melting point or chromatogram, it is likely pure. Impurities can cause a substance to have a lower melting point or show additional peaks in chromatography.


Is chocolate a pure substance?

no it is not a pure substance because it has more than on product in it read the ingredients


Would a compound be classified as a pure substance?

If this compound is refined can be classified as a pure substance.


What is the name of a pure substance that has two or more different elements?

There is no such thing. An element IS a pure substance.


What is a pure substance made up two or more substances?

A mixture is a substance made up of two or more pure substances.


What distinguishes a mixture form an impure substance?

If a substance in a mixture is preponderant--, if the amount far exceeds the amounts of the other substances in the mixture it is usually called an impure substance. Resource: Separation of the Components of a Mixture Lab -Chemistry


What is used to identify the purity of a substance?

The purity of any substance can be checked through Melting Point,Boiling Point or Chromatography. As A pure substance has a set and exact melting point and boiling point and a pure substance shows only one spot on the chromatogram.


Is distilled water a substance pure or a mixture?

Pure substance.


What is the opposite of a pure substance?

The opposite of a pure substance is a mixture.


How would you see if a substance is a mixture or pure?

You would see if a substance is a mixture or a pure substance because a mixture is where 2 or more things are mixed together. A pure substance is where it could be made up of different atoms, or it could be made up of one substance. Just like honey. A pure substance can't have different ingredients, only different atoms.


Is air are pure substance?

As per my knowledge pure substance does not have anything else added to it. Air and water are pure substances that exist in nature. A pure substance cannot be taken apart to locate more substances.