Salt. Carbon, if you have a carbon filter for your fish tank.
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.
Water is a compound. A pure metal is an element. Graphite (a pencil lead) is the element carbon. These are all examples of a pure substance.
Salt. Carbon, if you have a carbon filter for your fish tank.
No, anything with atoms of a single element is a pure substance. For example (DO NOT TRY IT), but JUST picture a glass filled with mercury (Hg). if there are only Hg molecules, then it is a pure substance.
Examples of pure substances in food include sugar, salt, and baking soda. These substances consist of only one type of molecule and have a uniform composition throughout.
pure substance, propanone
it is a pure substance.... not
Pure substance
Methane is a pure substance.
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.
pure substance
pure substance