CAS ID #: 67-64-1. Summary: Acetone is a manufactured chemical that is also found naturally in the environment. It is a colorless liquid with a distinct smell and taste.It evaporates easily, is flammable, and dissolves in water.It is also called dimethyl ketone, 2-propanone, and beta-ketopropane. Acetone is used to make plastic, fibers, drugs, and other chemicals. It is also used to dissolve other substances.t evaporates easily, is flammable, and dissolves in water. It is also called dimethyl ketone, 2-propanone, and beta-ketopropane. Acetone is used to make plastic, fibers, drugs, and other chemicals. It is also used to dissolve other substances.
Validity and Reliability. . . . . The principles of validity and reliability are fundamental cornerstones of the scientific method. This article is a part of the guide:
There are difficulties in a formulaic statement of method, however. Though the scientific method is often presented as a fixed sequence of steps, it represents rather a set of general principles. Not all steps take place in every scientific inquiry (or to the same degree), and are not always in the same order. Some philosophers and scientists have argued that there is no scientific method, such as Lee Smolin and Paul Feyerabend (in his Against Method).