When a solid substance disappears completely as a gas on heating; the substance is said to have undergone? by Sunday | Oct 14 | Chemistry JAMB | 0 comments A. evaporation B. distillation C. crystallization D. sublimation Correct Answer: Option D – sublimation Users Also Read These:A copper cube weighs 0.25 N in air; 0.17N when…A 90W immersion heater is used to supply energy for…The half life of a radioactive substance is 14 days.…A hydrogen chloride gas reacted with oxygen gas to…An unproductive animal completely removed from the…