Question

generally metallic oxides are basic and non-metallic oxides are acid
are basic and non-metallic oxides are acidic in nature. Solution of which of the following oudes in water will change the colour of blue litmus to rede
a) sulphurdioxide
(b) magnesium oxide
on oxide
(d) copper oxide​

Answer 1

blue litmus changing to red is an indication of acidic solution solution

therefore the correct answer is

a) sulphur dioxide