A reduced gas is a gas with a low oxidation number (or high reduction), and is usually hydrogen-rich. Strongly reduced gases include methane, ammonia, and hydrogen sulfide.
Such gases are strongly associated with the origin of life.
Famous quotes containing the words reduced and/or gas:
“It is Mortifying to suppose it possible that a people able and zealous to contend with the Enemy should be reduced to fold their Arms for want of the means of defence; yet no resources that we know of, ensure us against this event.”
—Thomas Jefferson (1743–1826)
“one pale woman all alone,
The daylight kissing her wan hair,
Loitered beneath the gas lamps’ flare,
With lips of flame and heart of stone.”
—Oscar Wilde (1854–1900)