Question

Q. Which colourless ɡas forms an explosive mixture with air and water is the only product of combustion?

a.N₂

b.CO₂

c.H₂

d.O₂​

Answer 1

Answer:

correct answer is option c.H2

Explanation:

because Hydrogen gas (dihydrogen or molecular hydrogen) is highly flammable: 2 H2(g) + O2(g) → 2 H2O(l) 

Hydrogen gas forms explosive mixtures with air in concentrations from 4–74% and with chlorine at 5–95%.

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