Q. Which one of the following is the heavy toxic metal present in waste water from industries?
A) Mercury
B) Cadmium
C) Lead
D) All of these
Explanation
Industries like petroleum, paper manufacturing, metal extraction and processing, etc., release waste water containing heavy metals like mercury cadmium, copper, lead, etc.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.