howard is working with a cleaning solution that contains sodium hydroxide. although he is using gloves, when he pours the solution to dilute it for cleaning use, he spills a bit on his arm. his arm feels slimy to the touch and now has a burn mark. what is the chemical route of entry?
When NaOH is felt on Howard’s arm, the chemical is absorbed, as he has a burn mark on his skin.
Option (d) in the question is the correct answer.