What is the difference between a pure and an impure substance?

What is the difference between a pure and an impure substance?
Purity is a measure of how free a substance is from contaminants or impurities. A pure substance is one that contains only one type of atom or molecule, while an impure substance contains other substances or particles mixed in with it.
For example, pure water is made up only of hydrogen and oxygen atoms, while impure water may contain other substances like dirt, bacteria, or other contaminants. Similarly, pure gold is made up only of gold atoms, while impure gold may contain other metals or impurities mixed in.
In chemistry, purity is often measured using a technique called chromatography, which separates the different components of a mixture based on their size and charge. The percentage of pure substance in a mixture can also be determined by measuring the weight of the pure substance present in relation to the total weight of the mixture.
Purity is an important concept in many fields, including chemistry, pharmacology, and food safety. In these fields, purity is often used to ensure that products are safe for use and meet certain standards of quality.
What is the difference between a pure and an impure substance?
A pure substance is one that contains only one type of atom or molecule, while an impure substance contains other substances or particles mixed in with it.
Purity is a measure of how free a substance is from contaminants or impurities.
In chemistry, purity is often measured using techniques like chromatography, and the percentage of pure substance in a mixture can be determined by measuring the weight of the pure substance present in relation to the total weight of the mixture.
Purity is an important concept in many fields, including chemistry, pharmacology, and food safety, where it is used to ensure that products are safe for use and meet certain standards of quality.