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

Options

A. Wash the hand with saline solution
B. Wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonate
C. After washing hand with plenty of water, apply solution of sodium hydroxide on the hand
D. Neutralise the acid with a strong alkali

Answer

B

Explanation

Wasshing the hand initially with plenty of water gives partial relief from buring sensation. The paste of sodium hydrogen carbonate completely neutralises the effect of the acid.