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

(1) vinegar

(2) aqueous NaOH

(3) aqueous NaHCO3

(4) aqueous NH3

2 Answers

Best answer

Ans. (3) aqueous NaHCO3

Sol. In toilet cleaning liquid the main constituent is HCl, which can cause skin burn so it should be treated with NaHCO3 which can easily consume the acid.

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Aqueous NaHCO3
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