Which of the following oxides react with both dilute $HCl$ and aqueous $NaOH$ ?

A $Al X_{2} O X_{3}$
B $BeO$
C $SnO$
D $MgO$

Answer: A, B, C

Elements of intermediate electronegativity (Al, Be, Sn) form amphoteric oxides that dissolve in acid to give salts and in alkali to give aluminate, beryllate and stannite respectively.

MgO

is basic and reacts only with acids.

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Which of the following oxides react with both dilute HCl and aqueous NaOH?

Answer: A, B, C

More questions on Electronegativity and its applications

Which of the following oxides react with both dilute $HCl$ and aqueous $NaOH$ ?