If you spill a chemical toilet cleaning liquid on your hand,
Question:

If you spill a chemical toilet cleaning liquid on your hand, your first aid would be :

  1. aqueous $\mathrm{NH}_{3}$

  2. vinegar

  3. aqueous $\mathrm{NaHCO}_{3}$

  4. aqueous $\mathrm{NaOH}$


Correct Option: , 3

Solution:

Toilet cleaning liquid has about $10.5 \% \mathrm{w} / \mathrm{v}$ $\mathrm{HCl}$; to neutralise its affect aqueous $\mathrm{NaHCO}_{3}$ is used

while $\mathrm{NaOH}$ is avoid for this purpose because its highly corosive in nature and can burn body.

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