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#Question id: 360


Which of the following is considered to be a strong base (alkali)?

#XL - Q Biochemistry
  1. HCl → H+ + Cl-

  2. NH3 + H+ ⇔ NH4+

  3. H2CO3 ⇔ HCO3- + H+

  4. NaOH → Na+ + OH


Answer:- Option(s): 4


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