Which of the following substances is most viscous at room temperature? by Sunday | Aug 29 | Physics WAEC | 0 comments A. Water B. Alcohol C. Petrol D. Palm oil E. Kerosine Correct Answer: Option D – Palm oil Users Also Read These:Which of the reactions represented by the following…Which of the substances is a liquid at room…Which of the following substances is the most…A ball bearing is gently released from rest and…A room is heated by means of a charcoal fire; an…