Use chemical equations to show how the following accidents cause injury to the clothing involved (not to

Question:

Use chemical equations to show how the following accidents cause injury to the clothing involved (not to mention the skin under the clothing!).
(a) An industrial chemist spills aqueous H2SO4 on her nylon stockings but fails to wash it off immediately.
(b) An organic laboratory student spills aqueous NaOH on his polyester slacks.