JAMB - Chemistry (2020 - No. 9)
What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?
Steam distillation
Destructive distillation
Liquefication
Hydrolysis
Explanation
Destructive distillation of a tonne of coal can produce 700 kg of coke, 100 liters of liquor ammonia, 50 liters of coal tar and 400 M\(^3\) of coal gas
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