A group of 209 industrial chemicals composed of C, H, and Cl manufactured for cooling fluids, hydraulic fluids, lubricants, inks, and pesticide extenders are known as
A)petroleum oils.
B)inorganic solvents.
C)heavy metals.
D)dioxins.
E)polychlorinated biphenyls (PCBs).

Question

Quizplus · Accepted Answer

Polychlorinated biphenyls (PCBs) are a group of man-made chemicals that include 209 individual compounds known as congeners. They were used in various industrial applications such as cooling fluids, hydraulic fluids, lubricants, inks, and pesticide extenders due to their chemical stability and insulating properties.

A Group of 209 Industrial Chemicals Composed of C, H