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Hydrogen
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (4)
#1
Front (Question)
Properties of Hydrogen
Back (Answer)
Gas Colourless odouless Fukin flammable 4% to 74% Asphyxiant much lighter than air
#2
Front (Question)
Hazards of Hydrogen
Back (Answer)
very flammable Static can ignite it asphyxiant compressed gas
#3
Front (Question)
firefighter action
Back (Answer)
BA PPE cool cylinders stop leak before extinguishing spray evac or stay indoors
#4
Front (Question)
reactions with hydrogen
Back (Answer)
alkali metals and water release hydrogen no reaction to water is soluble react with oxygen to flammability and explosive Hydrogen gas forms explosive mixtures with air if it is 4–74% concentrated and with chlorine if it is 5–95% concentrated. The mixtures may be ignited by spark, heat or sunlight