Is Granite A Pure Chemical Substance

But there are exceptions to this definition.

Is granite a pure chemical substance.

A pure substance participates in a chemical reaction to form predictable products. Ordinary table salt is called sodium chloride. A compound may be composed of different elements. However unlike granite marble is typically more than 90 calcium carbonate so it might count as a pure substance.

Oxygen for example is a pure chemical substance that is a colorless odorless gas at 25 c. A pure chemical substance is any matter that has a fixed chemical composition and characteristic properties. Just like granite marble is a mixture. In chemistry a pure substance consists of only one type of atom molecule or compound.

So in addition to elements compounds and alloys a pure substance might include honey even though it consists of many different types of molecules. A pure substance can also be defined as a form of matter that has both definite. To a non chemist a pure substance is anything composed of a single type of material. All matter consists of various elements and chemical compounds but these are often intimately mixed together.

A chemical substance may well be defined as any material with a definite chemical composition in an introductory general chemistry textbook. A pure substance is by definition composed of one compound. In other words it is free of contaminants. Very few samples of matter consist of pure substances.

However unlike granite marble is typically more than 90 calcium carbonate so it might count as a pure substance. Mixtures contain more than one chemical substance and they do not have a fixed composition. Common definition of a pure substance. It is considered a pure substance because it has a uniform and definite composition.

All samples of sodium chloride are chemically identical. Pure and impure chemical substances a pure element or compound contains only one substance with no other substances mixed in. A pure substance or chemical substance is a material that has a constant composition is homogeneous and has consistent properties throughout the sample. So option b sodium chloride is a right option.