water, methane, oxygen, silver, gold.
no they are not
Pure substances are divided into elements and compounds.
sodium chloride, glucose, amino acids, nucleic acids, triglycerides
yes they are pure
A compound is one of the two things of a pure substance the other thing is a element
Oxygen and Nitrogen are two examples
Foods are not pure substances.
no they are not
ok so some examples of pure substances are gold sugar table salt distilled water(pure) iron filings
Elements are examples of pure substances. Lead is an element, which means lead is pure.
Solids- Gold, Silver
Elements.
Fe, H2O, etc.....
Pure substance can be identified as either elements or compounds. Some examples of pure substance that are elements are sulfur and tin. Pure substances that are compounds are sugar and salt.
It is not possible to list them all because there are too many of them.
Gold and tin are lements. They are pure substances . They can however be alloyed with other metals, examples are gold with silver or copper in jewelry, tin with copper in bronze.
Pure substances are made up of a single element, or a single compound. Table salt is a pure substance because it is made up of only the compound NaCl (sodium chloride). Diamond is a pure substance, it is made up of the element carbon. Air is not a pure substance, it is a mixture of several gaseous elements and compounds (nitrogen, oxygen, carbon dioxide..) Distilled water is a pure substance made up of a single compound H2O.