Question

When you add water to sulfur dioxide and put a blue litmus paper in it, why does it

turn red?​

Answer 1

Answer:

Sulphur dioxide reacts to the addition of water, becoming acidic, that is an acid solution. It is then correctly names sulphuric acid. It will change the blue litmus paper to red, but if the litmus paper is red to begin with, the colour does not change.

Answer 2

Sulphur dioxide reacts to the addition of water, becoming acidic, that is an acid solution. It is then correctly names sulphuric acid. It will change the blue litmus paper to red, but if the litmus paper is red to begin with, the colour does not change