What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?

  • A Steam distillation
  • B Destructive distillation
  • C Liquefication
  • D Hydrolysis
jamb 2020chemistry

The correct answer is B. Destructive distillation

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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