If a few drops of a concentrated acid accidentally spill over the hand of a student, what should be done?

If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done ?

If a few drops of a concentrated acid accidentally spills over the hand of a student what should be done ?

If a few drops of a concentrate acid accidently spills over the hand of a student, what should be done?

If a few drops of a concentrated acid accidentally spoils over the hand of student what should be done?