Question

The oxide of a metal that reacts both with acid and alkali to form salt and water::​

Answer 1

Answer:

The oxide of a metal that reacts both with acid and alkali to form salt and water:: Amphoteric Oxide.

Example

znO+Hcl--->Zncl2+H2o

znO+Naoh--->Na2Zno +H2o

here

zno is amphoteric oxide

Answer 2

The oxide of a metal that reacts both with acid and alkali to form salt and water is called amphoteric oxide.

One of the example of amphoteric oxide is Al₂O₃.

It's reaction with acid and base is given below

Al₂O₃ + HCl → AlCl₃ + H₂O

Al₂O₃ + NaOH → NaAlO₂ + H₂O