<em>A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.</em>
As a noun, the common definition of chemical is a substance that is produced or used in a process (reaction) involving changes to atoms or molecules. ... As an adjective, "chemical" means "of or pertaining to chemistry". Chemistry is the study of matter and its transformations.
A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.
The definition of a chemical is a substance created by chemistry. An example of chemical is a pesticide. noun. Of or relating to chemistry. adjective.
Examples of chemicals include the chemical elements, such as zinc, helium, and oxygen; compounds made from elements including water, carbon dioxide, and salt; and more complex materials like your computer, air, rain, a chicken, a car, etc.
The right answer for the question that is being asked and shown above is that: "C.keeping up appearances in society." the theme that is portrayed in this excerpt from Leo Tolstoy’s The Death of Ivan Ilyich is that <span>C.keeping up appearances in society</span>
