Question

10. During an activity, students observed a change in colour of limewater to milky in a test tube.
The teacher informed the students that it is due to the reaction of CO2 with limewater.
What is the likely source of CO2 that reacts with lime water?
(1 Point)
Inhaled air
particle of lime
Water
Exchaled air​

Answer 1

Answer:

Exhaled Air

Explanation:

This is because exhaled air has lot of CO²

Answer 2

Answer:

as it because it was due to the presence of atmospheric air and lime water reaction so lime water turns milky