Question

what mineral-based compound was widely used for fire protection and insulation in buildings until the late 1960s?

a) asbestos
b) lead
c) pesticides
d) mercury

Explanation:

🆕 New Concept Discovered: Environmental Hazards in Buildings
Common hazardous materials used in construction history.

Step 1: Analyze the question requirements

The question asks for a mineral-based compound that was widely used for fire protection and insulation in buildings until the late 1960s.

Step 2: Evaluate the options

• a) asbestos: A naturally occurring fibrous silicate mineral. It is highly resistant to heat and fire, making it the primary material used for insulation and fireproofing in buildings during the 20th century until its health hazards (like mesothelioma and asbestosis) led to bans and phase-outs starting in the late 1960s and 1970s.
• b) lead: A heavy metal, not a fibrous mineral used for insulation or fireproofing (commonly used in pipes and paint).
• c) pesticides: Chemical substances used to repel or destroy pests, not mineral-based building insulation.
• d) mercury: A liquid metal, not used for structural insulation or fireproofing.

Step 3: Select the correct option

Asbestos perfectly matches the description of a mineral-based compound used for fireproofing and insulation.

Answer:

a) asbestos