MCQ PracticeWhich of the following is an adsorbant used for the removal of SO 2 from gas/air?Subject: Chemical EngineeringTopic: Environmental Engineering In CeABog ironBLimestone powder or alkalised aluminaCSilica gelDActive carbonCorrect Answer: BPractice 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