Question

What is the effect of carbon dioxide on litmus paper ?​

Answer 1

Answer:

When carbon dioxide, one of the major products of combustion, reacts with water in the moist blue litmus paper, it turns into carbonic acid. Despite being a weak acid, it can be detected by the litmus paper to turn red.

Answer 2

Answer:

The answer is that carbon dioxide reacts with the water on the litmus paper to form carbonic acid. This acid turns the litmus paper from blue to red