JEE MAIN - Chemistry (2020 - 2nd September Evening Slot - No. 17)
If you spill a chemical toilet cleaning liquid on
your hand, your first aid would be
aqueous NaOH
aqueous NaHCO3
aqueous NH3
vinegar
Explanation
Toilet cleaning liquid has about 10.5% w/v HCl ; to neutralise its affect aqueous NaHCO3 is used while
NaOH is avoided for this purpose because of its highly corosive in nature and can burn body.
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