1.

If a few drops of a concentrated acid accidentally spill over the hand of a student, what should be done?A. Wash the hand with saline solutionB. Wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonateC. After washing hand with plenty of water, apply solution of sodium hydroxide on the handD. Neutralise the acid with a strong alkali

Answer» Correct Answer - B
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.


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