Which of the following unbalanced reactions are acid-base reactions?Select all that are True.  HCl(aq) + Al(s) → H2(g) + AlCl3(aq)   H2O2(aq) → H2O(l) + O2(g)   KCl(aq) + AgNO3(aq) → KNO3(aq) + AgCl(s)   NaH2PO4(aq) + NaOH(aq) → Na2HPO4(aq) + H2O(l)   Br2(l) + Cl2(g) → BrCl(g)   Ba(OH)2(aq) + H2SO4(aq) → BaSO4(s) + H2O(l)

Question

Which of the following unbalanced reactions are acid-base reactions?

Select all that are True.
  HCl(aq) + Al(s) → H2(g) + AlCl3(aq)
  H2O2(aq) → H2O(l) + O2(g)
  KCl(aq) + AgNO3(aq) → KNO3(aq) + AgCl(s)
  NaH2PO4(aq) + NaOH(aq) → Na2HPO4(aq) + H2O(l)
  Br2(l) + Cl2(g) → BrCl(g)
  Ba(OH)2(aq) + H2SO4(aq) → BaSO4(s) + H2O(l)

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