What makes a waste hazardous? it for a test and i don%26#039;t knwo the answer. So please help.

That website should help you answer anymore questions on hazardous waste

A waste is hazardous when it is harmful to the environment or any organisms.
Hazardous waste is a waste with properties that make it dangerous or potentially harmful to human health or the environment. The universe of hazardous wastes is large and diverse. Hazardous wastes can be liquids, solids, contained gases, or sludges. They can be the by-products of manufacturing processes or simply discarded commercial products, like cleaning fluids or pesticides.