An oxide has the following properties. The oxide is?

I. is a white powder
II. reacts with HCl.
III. reacts with NaOH
IV. is insoluble in water

A. alkaline
B. amphoteric
C. acidic
D. neutral

Correct Answer:

Option B – amphoteric

Explanation

An amphoteric oxide is an oxide that can act as either an acid or base in a reaction to produce a salt and water.