what is meant by pure substance long answer
Answers
A pure substance is a sample of matter with both definite and constant composition with distinct.Examples of pure substances include elements and compounds. Alloys and other solutions may also be considered PURE
Answer:
A pure substance is one which is made up of only one kind of particles. These particles may be atoms or molecules. For example, sulphur is made up of only one kind of particles (called sulphur atoms), therefore, sulphur is a pure substance. Similarly, water is made up of only one kind of particles (called water molecules), therefore, water is also a pure substance. In fact, all the elements and compounds are pure substances because they contain only one kind of particles. A pure substance is homogeneous throughout its mass. A pure substance cannot be separated into other kinds of matter by any physical process. A pure substance has a fixed composition as well as a fixed melting point and boiling point.