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Exam CFPS Topic 1 Question 178 Discussion

Actual exam question for NFPA's CFPS exam
Question #: 178
Topic #: 1
Potassium bicarbonate is a dry chemical agent considered to be twice as effective as

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Potassium bicarbonate is a dry chemical agent that is considered to be twice as effective as sodium bicarbonate in fire suppression, especially for Class B fires involving flammable liquids and gases. This is because potassium bicarbonate has a higher melting point and a lower decomposition temperature than sodium bicarbonate, which allows it to form a more stable and insulating layer on the burning surface. Potassium bicarbonate also has a lower pH and a higher specific gravity than sodium bicarbonate, which enhances its penetration and dispersion abilities 123. Reference: Dry Chemical Agents - Purple-K Powder is Purple - Chemguard; Evaluation of Dry Chemical Fire Extinguishing Standards - NFPA; Potassium bicarbonate - Wikipedia.

by David at Jan 12, 2026, 03:47 AM

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Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.

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