Which of the following is incorrect for both Be and Al?
A. Carbides of both the metals react with water liberating `C_(2)H_(2)` gas.
B. Oxides and hydroxides of both Be and Ajl are amphoteric and dissolve in NaOH solution as well as ydrochloric acid solution.
C. Oxides of both the metals are hard, high-melting insoluble solids.
D. Salts of both the metals form hydrated ions in aqueous solution.
