Question

When do we say that a chromium contaminated waste is toxic?

Answer 1

we say such bcz when it's gives out waste then it remain some toxic substance or material and shows its toxidity

Answer 2

The waste can contain chemicals, heavy metals, radiation, dangerous pathogens, or other toxins. Even households generate hazardous waste from items such as batteries

 “If you don't manage e-waste in a sustainable way, toxic substances will be released into the environment. Cadmium, chromium, lead and other heavy metals ...