Question

The lime water test is used to confirm the presence of oxygen in the air we exhale.​

• A. True
• B. False

Answer 1

The correct option is B False

• The exhaled air contains higher percentage of carbon dioxide than the inhaled air.
• When we exhale air in a conical flask containing lime water, it turns milky.
• Thus, the lime water experiment is used to detect the presence of carbon dioxide in the exhaled air.