JAMB - Chemistry (1989 - No. 24)
Some products of destructive distillation of coal are?
carbon (IV) oxide and ethanoic acid
trioxocarbonate (IV) acid and methanoic acid
producer gas and water gas
coke and ammoniacal liquor
설명
Heating coal, in the absence of air, is known as destructive distillation of coal. It yields various useful products like coke, coal gas, coal tar, and ammoniacal liquor.