Their are 9 class of hazardous material:
1 CLASS 1 : Explosive
2 CLASS 2 : Gases compressed, liquefied, dissolved under pressure or deeply refrigerated.
3 CLASS 3 : inflammable liquids.
4 CLASS 4 : Inflammable solids, substances liable to spontaneous combustion substances which on contact with water emit inflammable gases.
5 CLASS 5 : Oxidising substances, organic peroxides.
6 CLASS 6 : Poisonous (toxic) and Infectious substances.
7 CLASS 7 : Radioactive substance.
8 CLASS 8 : Corrosives.
9 CLASS 9 : Miscellaneous dangerous substance.
Hazardous :A hazardous material is any item or agent (biological, chemical, radiological, and/or physical) that has the ability to cause harm to humans, animals, or the environment. This could be as a result of the material by itself or interaction with other materials.
To learn more about Hazardous material refer: brainly.com/question/27318175
#SPJ4
