NCERT Exemplar Solutions
Class 10 - Science - CHAPTER 2: Acids, Bases and Salts - Multiple Choice Questions
Question 9

Question.  9

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

Detailed Answer with Explanation:

Steps: Immediate first aid: rinse thoroughly with plenty of water, then apply a mild base like NaHCO₃ paste to neutralise. Do NOT use strong alkali (caustic) directly.

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