Question

An element X forms an oxide. This oxide reacts with HCl as well as NaOH to form salt and water. Name the kind of this oxide and give one example. Write its chemical reaction either with HCl or NaOH.

Answer 1

this type of an oxide is an amphoteric oxide.
Eg: PbO
PbO+2HCl gives PbCl2+H2O