The Diffusion Of Carbon Dioxide In Air

Question 1

What is the test for carbon dioxide?

Answer 1

Clear lime water turns milky-this is a positive test for CO2.

Question 2

Carbon dioxide is denser than air. What would you expect to happen if you placed the test tube containing carbon dioxide over an identical test-tube containing air .

Answer 2

CO2 would sink and air will rise

Question 3

What would you expect if the test tube containing carbon dioxide were placed at the bottom?

Answer 3

Nothing will happen

Question 4

What can you conclude from this experiment?

Answer 4

C02 is denser/heavier than air