1.

If you spill a chemical toilet cleaning liquid on your hand, your first aid would be : (1) aqueous NH3 (2) vinegar (3) aqueous NaHCO3 (4) aqueous NaOH

Answer»

Answer is (3) aqueous NaHCO3

Toilet cleaning liquid has about 10.5% w/v HCl; to neutralise its affect aqueous NaHCO3 is used while NaOH is avoid for this purpose because its highly corosive in nature and can burn body.

Aliter :

Dil HCl is generally used as toilet cleaner

NaHCO3 is used to neutralize it



Discussion

No Comment Found

Related InterviewSolutions