Respuesta :

Answer:

HCl, Option A.

Explanation:

Hcl is a strong acid, NaOH is a strong base, the saliva has a relatively neutral pH and blood is slightly acidic.

Answer:NaOH is the strongest base out of your list. HCl is Hydrochloric acid, I believe blood is acidic and so is saliva. Na stands for Sodium which is a group one metal, reacts violently with water and its only got 1 electron on its outer S orbital

Explanation:

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