Question

if a laboratory fire erupts, immediately

○ notify your instructor

○ run for the fire extinguisher

○ throw water on the fire

○ open the windows

Explanation:

In a lab fire, notifying the instructor is the first step as they can guide proper action. Using a fire extinguisher without training or throwing water (may worsen some fires) or opening windows (can spread fire) are incorrect.

Answer:

A. notify your instructor