Question

When a non-metallic oxide is dissolved in water the solution formed has a high concentration of which ions

Answer 1

OH- ions

Hope it helps you.......

Answer 2

H+ ions

bcoz metallic oxides give OH- ions

also u can try with an equation

H2O + CO2→ H+ + CO3^2- which then combines to form carbonic acid..

i.e., H2CO3

Hope it helps..