In addition to its use in lab refrigeration, Halon-2402 was widely used as one of these substances in the lab, before being banned for its violation of the Montreal Protocol. For 10 points each:
[10m] Name or describe these substances, which include “dry chemical” types such as mono·ammonium phosphate. They are used on phenomena labeled as Class A, B, C, D, or K.
ANSWER: fire extinguishing agents [accept word forms; accept descriptions of agents that put out fires]
[10h] Dry chemical fire extinguishers are safe to use on these fires in the lab, which should not be put out by water. These fires are classified as Class C.
ANSWER: electrical fires
[10e] Despite only being used on class B or C fires, this compound is most associated with sodium bicarbonate-based extinguishing agents. This compound’s solid form is dry ice.
ANSWER: carbon dioxide [or CO2]
<MC, Chemistry>