Hydrogen is collected by downward displacement of water because it is
Adenser than water
Bless dense than air and insoluble in waterCORRECT
Csoluble in water
Dheavier than air
JAMB UTMEChemistry
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Why the answer is B, and why the others tempt you.
H₂ is the lightest gas and barely soluble in water — perfect for collection over water.
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