Question

If a few drops of a concentrated acid accidentally spills over the
hand of a student, what should be done?
(a) Wash the hand with saline solution
(b) Wash the hand immediately with plenty of water and apply a
paste of sodium hydrogencarbonate
(c) After washing with plenty of water apply solution of sodium
hydroxide on the hand
(d) Neutralise the acid with a strong alkali

NCERT Class X
Science - Exemplar Problems

Chapter_Acids, Bases and Salts

Answer 1

(b) Wash the hand immediately with plenty of water and apply a paste of sodium hydrogencarbonate.

Answer 2

Dear Neel,

● Answer -

(b) Wash the hand immediately with plenty of water and apply a

paste of sodium hydrogen carbonate

● What to do if conc. acid spills on hand -

• First of all, wash your hand with plenty of water. This will cleanup the wound & wash out superficial deposits of acid.
• Then, apply a paste of NaHCO3 to the wound so that remaining leftout acid gets neutralized. This paste will also sooth the pain.

Hope this helped you. Keep asking bud.