What is the single replacement reaction for iodine + sodium bromide

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Is this correct if not can u correct me