24k Gold is a pure substance. Because it is made up of just gold unlike 14k gold which is silver and gold mixed.
A pure substance is considered a substance having impurities only in traces: practically all substances can be purified.
iron nails
Table Salt
any pure element (there are slightly more than 100 of these that are known)any pure compound (there is an unlimited number of these)
it is a pure substance.... not
Methane is a pure substance.
Sucrose is an example of a pure substance. It is a disaccharide that can be broken down into glucose and fructose.
A physical property is a characteristic of a pure substance. Water is an example of a pure substance.
pure substance...!
element
iron nails
No. Hydrogen is a pure substance.
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.
oxygen is an example of a pure substance because a pure substance is made up of one kind of matter and it cannot be broken down into smaller parts.
No, it's a mixture.
Table Salt
A pure substance has only one kind of particle. Sulfur is an example of a pure substance.
No. Air is not pure substance. Air has all dust and dangerous gases with it. From place to place its composition changes.