Question

the purpose of a fume hood is
store all chemicals
use hazardous chemicals
store hazardous chemicals
b and c

Explanation:

A fume hood is a ventilation device used in laboratories. Its main purpose is to provide a safe environment for working with hazardous chemicals. It helps in containing and removing harmful fumes, vapors, and particles generated during chemical reactions or procedures. It is not primarily for storing all chemicals (as there are specific storage cabinets for that). However, it can be used when using hazardous chemicals (to protect the user from inhaling harmful substances) and also for some aspects of storing hazardous chemicals (in a sense that when accessing stored hazardous chemicals within the hood, the ventilation helps).

Answer:

B. Use hazardous chemicals, C. Store hazardous chemicals, D. B and c