Question

Why the exhaled air contain more moisture

Answer 1

In addition, the bloodcontains some carbon dioxide (a waste product) that is transferred to the airin the lungs, which is thenexhaled. The result is that the exhaled air containsless oxygen and morecarbon dioxide than theinhaled air. The air in the lungs also becomes humidified with waterbefore it is exhaled.

Answer 2

$\orange{\bigstar}\:\:{\underline{\boxed{\bf\red{AIM\::-}}}}$ To show that exhaled air contains moisture.

$\orange{\bigstar}\:\:{\underline{\boxed{\bf\red{APPARATUS\::-}}}}$ A plane mirror.

$\orange{\bigstar}\:\:{\underline{\boxed{\bf\red{PROCEDURE\::-}}}}$ Blow the exhaled air on a clean mirror for few minutes and observe the surface of the mirror.

$\orange{\bigstar}\:\:{\underline{\boxed{\bf\red{OBSERVATION\::-}}}}$ The mirror becomes Hazy.

$\orange{\bigstar}\:\:{\underline{\boxed{\bf\red{INFERENCE\::-}}}}$ The mirror become hazy due to the deposition of water droplets on it.