Question

Q17 Generally metallic oxides are basic and non-metallic oxides are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red? *
a) Carbon dioxide
b) iron oxide
c) magnesium oxide
d) copper oxide

Answer 1

Answer:

carbon dioxide

Explanation:

as all the other options are metallic oxides they are basic in nature.

carbon dioxide is acidic as it is a non metallic oxide and contains carbonic acid