Damdog23 Damdog23 19-01-2021 Chemistry contestada 36) Choose the best answer. d Using these two equations, which substance is amphoteric? A. 2HCl(aq) +Be(OH)2(aq) - BeCl2(aq) +2H20 (1) B. Be(OH)2(aq)+2NaOH(aq) - Na2Be(OH)4(aq)