A mineral-based compound that was widely used for fire protection and insulation in buildings until the 1980s is:

Question

Quizplus · Accepted Answer

Asbestos was widely used for fire protection and insulation in buildings until the 1980s before it was discovered to be a health hazard. Radon is a naturally occurring radioactive gas that can seep into buildings, but it is not a mineral-based compound used for fire protection and insulation. Fiberglass and spray foam are newer materials that have replaced asbestos in many applications.

A Mineral-Based Compound That Was Widely Used for Fire Protection