In some circumstances, using the fire extinguisher found in the laboratory may be necessary. which of the following scenarios represents an appropriate use of a fire extinguisher? select one:
a. fumes from a solution contained in a beaker have caught fire, and the fire seems to be contained to the beaker.
b. a handful of paper towels in the garbage can has caught fire. the fire is small and relatively contained within the trash can.
c. several bottles of reagents in the fume hood have caught fire and are in danger of creating an explosion.
d. a handful of paper towels was left too close to a bunsen burner and caught fire on the lab bench. the flames are contained for the moment, but might spread to other lab notebooks and flammable materials on the bench.