Indications of a Chemical Change. 1  Evolving bubbles or releasing gas. 2  Absorbing or releasing heat. 3  Changing color. 4  Releasing an odor. 5  Inability to reverse the change. 6  Precipitation of a solid from a liquid solution. 7  Formation of a new chemical species. This is the best and surest indicator.
Definition of packaging. 1 : an act or instance of packaging something or someone: such asa : the enclosing of something in a container or covering â¦ damage caused by static charge during packaging, storing, and shipping.
Nomenclature. 1  Vehicles contain packages. 2  Packages are the outer containers used to ship radioactive and other types of hazardous materials. 3  Labels are standardized paper hazmat identifiers, designed to meet certain specifications, and placed on 2 sides of packages, packagings, or overpacks.