MCQ PracticeCoal tar is used as aSubject: Chemical EngineeringTopic: Chemical ProcessABinding material for coal briquettesBFuel in rotary kilnCBinder in making carbon electrodesDAll of the aboveCorrect Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the