Hazardous Materials
Unit Quiz
When metallic potassium reacts with water, the hydrogen produced initially __________ .
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concentrates around the metal |
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burns into a powder |
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dissolves |
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vaporizes |
QUESTION 2
Firefighters are frequently warned against using _______ on combustible metal fires.
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Oxygen |
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Carbon dioxide |
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Water |
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Graphite |
QUESTION 3
A certain metallic phosphide can be used to kill to mice and other pests. The DOT requires identification of this phosphide on a manifest during transport. The proper DOT shipping description is __________.
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UN3048, Aluminum phosphide pesticides, 6.1 PG I (Poison) |
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UN1432, Sodium phosphide, 4.3, (6.1), PG I (Dangerous when Wet) (Poison) |
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UN2012, Potassium phosphide, 4.3, (6.1), PG I (Dangerous when Wet) (Poison) |
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UN1397, Aluminum phosphide, 4.3, (6.1), PG I (Dangerous when Wet) (Poison) |
QUESTION 4
Firefighters respond to the scene of an industrial fire in which magnesium was burned. Within a few days of extinguishing the fire, the firefighters begin displaying a fever, cough, nausea, chills, aches/pains and shortness of breath. The firefighters are displaying symptoms of __________.
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Influenza |
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Noro virus |
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Metal fume fever |
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Common cold |